{"id":30388,"date":"2025-06-01T10:18:57","date_gmt":"2025-06-01T01:18:57","guid":{"rendered":"https:\/\/social-studies-magazine.com\/zero\/?p=30388"},"modified":"2025-12-28T13:05:48","modified_gmt":"2025-12-28T04:05:48","slug":"crude-steel","status":"publish","type":"post","link":"https:\/\/social-studies-magazine.com\/zero\/crude-steel","title":{"rendered":"\u7c97\u92fc\uff08\u305d\u3053\u3046\uff09\u3068\u306f\uff1f\u308f\u304b\u308a\u3084\u3059\u304f\u3010\u5730\u7406\u3011"},"content":{"rendered":"\n<p><em>\u300c\u65e5\u672c\u306f\u9244\u9271\u77f3\u306e\u7523\u51fa\u91cf\u306f\u5c11\u306a\u3044\u304c\u3001\u7c97\u92fc\u306e\u751f\u7523\u91cf\u306f\u591a\u3044\u300d<\/em><\/p>\n\n\n\n<p>\u3053\u306e\u4e00\u6587\u3092\u898b\u3066\u3001\u300c\u305d\u3082\u305d\u3082\u7c97\u92fc\u3063\u3066\u306a\u306b\uff1f\u300d\u3068\u7591\u554f\u306b\u601d\u3046\u4eba\u306f\u5c11\u306a\u304f\u306a\u3044\u306f\u305a\u3002<\/p>\n\n\n\n<p>\u305d\u3082\u305d\u3082<strong>\u7c97\u92fc\u3068\u306f\u4f55\u304b\uff1f<\/strong>\u3092\u77e5\u3089\u306a\u3044\u3068\u3001\u305d\u3057\u3066<strong>\u7c97\u92fc\u306f\u3069\u3046\u3084\u3063\u3066\u4f5c\u308b\u306e\u304b\uff1f<\/strong>\u3092\u77e5\u3089\u306a\u3044\u3068\u3001\u4e2d\u56fd\u3067\u9244\u92fc\u696d\u304c\u76db\u3093\u306a\u7406\u7531\u306a\u3069\u3001\u9244\u92fc\u696d\u306b\u3064\u3044\u3066\u3057\u3063\u304b\u308a\u3068\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u4eca\u56de\u306f\u3001\u300c\u7c97\u92fc\u3068\u306f\u4f55\u304b\uff1f\u300d\u3092\u9244\u92fc\u696d\u306e\u6d41\u308c\u306b\u6cbf\u3063\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3059\u308b\u3002<\/p>\n\n\n\n<section class=\"wp-block-jinr-blocks-fukidashi b--jinr-block b--jinr-fukidashi\">\n\t\t\t\t<div class=\"o--jinr-fukidashi d--fukidashi-chat d--fukidashi-left d--fukidashi-border-normal d--border-simplecolor\">\n\t\t\t\t<div class=\"c--fukidashi-img-box\">\n\t\t\t\t<div class=\"a--fukidashi-img d--fukidashi-img-simplecolor\"><img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"72\" src=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2026\/03\/\u3082\u3061\u304a\u304b.jpg\" alt=\"\u30e2\u30c1\u30aa\u30ab\"\/><\/div>\n\t\t\t\t<span class=\"a--fukidashi-icon-name\">\u30e2\u30c1\u30aa\u30ab<\/span>\n\t\t\t\t<div class=\"a--fukidashi-img-circle\" style=\"background-color:#eee;\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"c--fukidashi-contents\" style=\"border-color:#eee; background-color:#fff;\"><div class=\"o--fukidashi-inner\">\n<p>\u30e2\u30c1\u30aa\u30ab\u3067\u3059\u3002<a href=\"https:\/\/x.com\/MOCHIOKA_KEI\">Twitter<\/a>\u3001<a href=\"https:\/\/www.youtube.com\/@social-studies-channel\">YouTube<\/a>\u3084\u3063\u3066\u307e\u3059\uff01\u3010<a href=\"https:\/\/social-studies-magazine.com\/zero\/contact-form\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u30fb<a href=\"https:\/\/social-studies-magazine.com\/zero\/profile\" data-type=\"page\" data-id=\"24901\">\u81ea\u5df1\u7d39\u4ecb<\/a>\u3011<\/p>\n<\/div><span class=\"a--fukidashi-parts-after\" style=\"color:#fff;\"><\/span><span class=\"a--fukidashi-parts-before\" style=\"color:#eee;\"><\/span><\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u7c97\u92fc\uff08\u305d\u3053\u3046\uff09\u3068\u306f\uff1f\u6559\u79d1\u66f8\u306e\u4e0d\u5341\u5206\u306a\u3068\u3053\u308d\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u3010\u5730\u7406\u3011\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/BPDIE8GDbwI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-444444-color has-text-color jinr-heading d--bold\">\u50d5\u305f\u3061\u304c\u898b\u3066\u3044\u308b\u300c\u9244\u300d\u306f\u3001\u672c\u5f53\u306f\u300c\u92fc\uff08\u306f\u304c\u306d\uff09\u300d<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_0692-1024x768.jpeg\" alt=\"\" class=\"wp-image-30495\" srcset=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_0692-1024x768.jpeg 1024w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_0692-300x225.jpeg 300w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_0692-768x576.jpeg 768w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_0692-1536x1152.jpeg 1536w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_0692.jpeg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\uff082021.12\u64ae\u5f71\uff09<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-444444-color has-text-color\">\u5efa\u7269\u306e\u9aa8\u7d44\u307f\u3001\u81ea\u52d5\u8eca\u3001\u5bb6\u96fb\u3001\u30b9\u30c1\u30fc\u30eb\u7f36\u3001\u5de5\u5177\u306a\u3069\u3001\u79c1\u305f\u3061\u306e\u8eab\u306e\u56de\u308a\u306b\u306f\u300c\u9244\u3063\u307d\u3044\u3082\u306e\u300d\u304c\u305f\u304f\u3055\u3093\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3067\u3082\u3001\u3053\u308c\u3089\u306f\u6b63\u78ba\u306b\u306f<strong>\u300c\u92fc\uff08\u306f\u304c\u306d\uff09\uff1dsteel\u300d<\/strong>\u3068\u547c\u3070\u308c\u308b\u91d1\u5c5e\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u4e2d\u5b66\u6821\u306e\u7406\u79d1\u3067\u306f\u3001\u9244\uff1dFe\uff08\u5143\u7d20\u8a18\u53f7\uff09\u3068\u7fd2\u3046\u3051\u308c\u3069\u3001\u5b9f\u306f<strong>\u300c\u7d14\u7c8b\u306a\u9244\uff08Fe\uff09\u300d\u306f\u81ea\u7136\u754c\u306b\u306f\u307b\u3068\u3093\u3069\u5b58\u5728\u3057\u3066\u3044\u306a\u3044<\/strong>\u3002\u306a\u305c\u306a\u3089\u3001\u9244\u306f\u9178\u7d20\u3068\u7d50\u3073\u3064\u304d\u3084\u3059\u304f\u3001\u3059\u3050\u306b\u9178\u5316\u3057\u3066\u3057\u307e\u3046\u6027\u8cea\u304c\u3042\u308b\u304b\u3089\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u305d\u306e\u305f\u3081\u3001\u5730\u7403\u4e0a\u306e\u9244\u306f\u3001\u8d64\u3055\u3073\uff08Fe\u2082O\u2083\uff09\u3084\u9ed2\u3055\u3073\uff08Fe\u2083O\u2084\uff09\u3068\u3044\u3063\u305f\u9178\u5316\u9244\uff1d\u300c\u9244\u9271\u77f3\u300d\u3068\u3057\u3066\u5b58\u5728\u3057\u3066\u3044\u308b\u3002\u305f\u3060\u3057\u3001\u3053\u306e<strong>\u9244\u9271\u77f3\u306f\u305d\u306e\u307e\u307e\u3067\u306f\u786c\u3059\u304e\u305f\u308a\u3001\u3082\u308d\u3059\u304e\u305f\u308a\u3057\u3066\u3001\u4f7f\u3044\u306b\u304f\u3044<\/strong>\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2882-1024x768.jpeg\" alt=\"\" class=\"wp-image-30492\" srcset=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2882-1024x768.jpeg 1024w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2882-300x225.jpeg 300w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2882-768x576.jpeg 768w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2882-1536x1152.jpeg 1536w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2882.jpeg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u56fd\u7acb\u79d1\u5b66\u535a\u7269\u9928\u306b\u3066\uff082025.4\u64ae\u5f71\uff09<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-444444-color has-text-color\">\u4e00\u65b9\u3001\u5de5\u696d\u7684\u306b\u4f5c\u308b\u300c\u7d14\u9244\uff08\u3058\u3085\u3093\u3066\u3064\uff09\u300d\u2500\u2500\u7d14\u5ea699.99%\u306eFe\u2500\u2500\u3082\u3042\u308b\u304c\u3001\u3053\u308c\u306f\u9006\u306b\u67d4\u3089\u304b\u3059\u304e\u3066\u30b5\u30d3\u3084\u3059\u3044\u305f\u3081\u3001\u3084\u306f\u308a\u666e\u6bb5\u306e\u88fd\u54c1\u306b\u306f\u3042\u307e\u308a\u5411\u304b\u306a\u3044\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3067\u306f\u3001\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u306e\u304b\uff1f<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u305d\u306e\u7b54\u3048\u304c\u3001\u300c\u92fc\uff08steel\uff09\u300d\u3002\u9244\u306b\u70ad\u7d20\uff08C\uff09\u3084\u30af\u30ed\u30e0\uff08Cr\uff09\u3001\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09\u306a\u3069\u3092\u5c11\u3057\u3060\u3051\u52a0\u3048\u3001<strong>\u6027\u8cea\u3092\u3061\u3087\u3046\u3069\u3088\u304f\u8abf\u6574\u3057\u305f\u5408\u91d1<\/strong>\u3060\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u92fc\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list has-444444-color has-text-color jinr-list\">\n<li>\u786c\u304f\u3066\u4e08\u592b\u306a\u306e\u306b\u3001<\/li>\n\n\n\n<li>\u52a0\u5de5\u3057\u3084\u3059\u304f\u3066\u3001<\/li>\n\n\n\n<li>\u30b5\u30d3\u306b\u3082\u3042\u308b\u7a0b\u5ea6\u5f37\u3044<\/li>\n<\/ul>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3068\u3044\u3046\u3001\u3061\u3087\u3046\u3069\u3044\u3044\u30d0\u30e9\u30f3\u30b9\u306e\u7d20\u6750\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3064\u307e\u308a\u3001\u79c1\u305f\u3061\u304c\u666e\u6bb5\u300c\u9244\u3060\u300d\u3068\u601d\u3063\u3066\u898b\u3066\u3044\u308b\u3082\u306e\u306e\u591a\u304f\u306f\u3001\u9244\u9271\u77f3\u3068\u7d14\u9244\u306e\u4e2d\u9593\u306b\u3042\u308b\u300c\u92fc\u300d\u3067\u3042\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_3682-1024x768.jpeg\" alt=\"\" class=\"wp-image-30493\" srcset=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_3682-1024x768.jpeg 1024w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_3682-300x225.jpeg 300w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_3682-768x576.jpeg 768w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_3682-1536x1152.jpeg 1536w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_3682.jpeg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u548c\u92fc\u535a\u7269\u9928\u306b\u3066\uff082022.4\u64ae\u5f71\uff09<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-444444-color has-text-color jinr-heading d--bold\">\u300c\u7c97\u92fc\u300d\uff1d\u3067\u304d\u305f\u3066\u30db\u30e4\u30db\u30e4\u306e\u92fc<\/h2>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3055\u304d\u307b\u3069\u7d39\u4ecb\u3057\u305f\u300c\u92fc\uff08\u306f\u304c\u306d\uff09\u300d\u306f\u3001\u88fd\u9020\u3055\u308c\u305f\u3070\u304b\u308a\u306e\u6bb5\u968e\u3067\u306f<strong>\u300c\u7c97\u92fc\uff08\u305d\u3053\u3046\uff09\u300d<\/strong>\u3068\u3082\u547c\u3070\u308c\u308b\u3002\u3064\u307e\u308a\u300c\u3067\u304d\u305f\u3066\u30db\u30e4\u30db\u30e4\u306e\u92fc\u300d\u3068\u3044\u3046\u3053\u3068\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3058\u3083\u3042\u3001\u300c\u92fc\u300d\u3068\u300c\u7c97\u92fc\u300d\u306f\u4f55\u304c\u9055\u3046\u306e\u304b\uff1f<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u6b63\u76f4\u8a00\u3063\u3066\u3001<strong>\u305d\u3093\u306a\u306b\u53b3\u5bc6\u306b\u533a\u5225\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044<\/strong>\u3002\u57fa\u672c\u7684\u306b\u306f\u540c\u3058\u3082\u306e\u3068\u8003\u3048\u3066OK\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u305f\u3060\u3001\u696d\u754c\u7684\u306b\u306f\u3053\u3046\u3044\u3046\u4f7f\u3044\u5206\u3051\u304c\u3042\u308b\u3089\u3057\u3044\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list has-444444-color has-text-color jinr-list\">\n<li><strong>\u7c97\u92fc\uff08crude steel\uff09<\/strong>\uff1a\u9244\u9271\u77f3\u3084\u30b9\u30af\u30e9\u30c3\u30d7\u304b\u3089\u4f5c\u3089\u308c\u305f\u3070\u304b\u308a\u306e\u3001\u307e\u3060\u5f62\u3082\u7528\u9014\u3082\u5b9a\u307e\u3063\u3066\u3044\u306a\u3044\u72b6\u614b\u306e\u92fc\u3002\u3044\u308f\u3070\u300c\u7d20\u6750\u300d\u3002<\/li>\n\n\n\n<li><strong>\u92fc\uff08steel\uff09<\/strong>\uff1a\u7c97\u92fc\u3092\u3082\u3068\u306b\u52a0\u5de5\u3057\u3066\u3001\u5b9f\u969b\u306b\u4f7f\u3048\u308b\u5f62\u306b\u3057\u305f\u3082\u306e\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list has-444444-color has-text-color jinr-list\">\n<li>\u5730\u4e0b\u304b\u3089\u304f\u307f\u4e0a\u3052\u305f\u3070\u304b\u308a\u306e\u539f\u6cb9\uff08crude oil\uff09\u3068\u3001<\/li>\n\n\n\n<li>\u305d\u308c\u3092\u7cbe\u88fd\u3057\u305f\u77f3\u6cb9\uff08oil\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u306e\u95a2\u4fc2\u3068\u540c\u3058\u3068\u601d\u3048\u3070OK\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-444444-color has-text-color jinr-heading d--bold\">\u7c97\u92fc\u306f\u3069\u3046\u3084\u3063\u3066\u4f5c\u308b\uff1f<\/h2>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u7c97\u92fc\u3092\u4f5c\u308b\u306b\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u30662\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list has-444444-color has-text-color jinr-list\">\n<li><strong>\u9244\u9271\u77f3\u304b\u3089\u4f5c\u308b\u65b9\u6cd5<\/strong><\/li>\n\n\n\n<li><strong>\u4f7f\u3044\u7d42\u308f\u3063\u305f\u9244\uff08\u30b9\u30af\u30e9\u30c3\u30d7\uff09\u3092\u518d\u5229\u7528\u3059\u308b\u65b9\u6cd5<\/strong><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading has-444444-color has-text-color jinr-heading d--bold\">\u2460\u9244\u9271\u77f3\u304b\u3089\u4f5c\u308b<\/h3>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u81ea\u7136\u754c\u306b\u3042\u308b\u9244\u306f\u3001\u305f\u3044\u3066\u3044\u9178\u7d20\u3068\u7d50\u3073\u3064\u3044\u305f\u9244\u9271\u77f3\uff08\u9178\u5316\u9244\uff09\u306e\u5f62\u3067\u5b58\u5728\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3053\u306e\u307e\u307e\u3067\u306f\u4f7f\u3044\u7269\u306b\u306a\u3089\u306a\u3044\u306e\u3067\u3001\u307e\u305a\u306f<strong>\u9178\u7d20\u3092\u53d6\u308a\u9664\u304f<\/strong>\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u306e\u5de5\u7a0b\u3067\u3067\u304d\u308b\u306e\u304c\u3001<strong>\u9291\u9244\uff08\u305b\u3093\u3066\u3064\uff09\uff1apig iron<\/strong>\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3067\u3082\u3001\u9291\u9244\u306f\u307e\u3060\u70ad\u7d20\u30922\u301c4\uff05\u304f\u3089\u3044\u542b\u3093\u3067\u3044\u3066\u3001\u786c\u304f\u3066\u30dc\u30ed\u30dc\u30ed\u6298\u308c\u3084\u3059\u3044\u3002\u3053\u308c\u3067\u306f\u8eca\u3084\u5efa\u7269\u306e\u7d20\u6750\u306b\u306f\u4f7f\u3048\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u305d\u3053\u3067\u3001\u6b21\u306b<strong>\u70ad\u7d20\u306e\u91cf\u3092\u8abf\u6574\u3059\u308b<\/strong>\u5de5\u7a0b\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002\u4f59\u5206\u306a\u70ad\u7d20\u3092\u53d6\u308a\u9664\u3044\u3066\u3001\u3061\u3087\u3046\u3069\u3044\u3044\u786c\u3055\u30fb\u7c98\u308a\u3092\u3082\u3063\u305f\u91d1\u5c5e\uff1d<strong>\u7c97\u92fc\uff1acrude steel<\/strong>\u3092\u4f5c\u308b\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3068\u3044\u3046\u308f\u3051\u3067\u3001\u9244\u9271\u77f3\u304b\u3089\u7c97\u92fc\u3092\u4f5c\u308b\u306b\u306f\u3001<strong>2\u6bb5\u968e\u306e\u30b9\u30c6\u30c3\u30d7<\/strong>\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list has-444444-color has-text-color jinr-list\">\n<li>\u30b9\u30c6\u30c3\u30d7\u2460\uff08\u88fd\u9291\uff09\uff1a\u9244\u9271\u77f3\u304b\u3089\u9178\u7d20\u3092\u53d6\u308a\u9664\u3044\u3066\u9291\u9244\u3092\u4f5c\u308b<\/li>\n\n\n\n<li>\u30b9\u30c6\u30c3\u30d7\u2461\uff08\u88fd\u92fc\uff09\uff1a\u9291\u9244\u306e\u70ad\u7d20\u3092\u8abf\u6574\u3057\u3066\u7c97\u92fc\u3092\u4f5c\u308b<\/li>\n<\/ul>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-444444-color has-text-color jinr-heading d--bold\">\u2460\u88fd\u9291\uff1a\u9ad8\u7089\u3092\u4f7f\u3063\u3066\u3001\u9244\u9271\u77f3\u304b\u3089\u9178\u7d20\u3092\u53d6\u308a\u9664\u3044\u3066\u9291\u9244\u3092\u4f5c\u308b<\/h4>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u9244\u9271\u77f3\u304b\u3089\u9178\u7d20\u3092\u53d6\u308a\u9664\u3044\u3066\u9291\u9244\u3092\u4f5c\u308b\u4f5c\u696d\u3092\u88fd\u9291\uff08\u305b\u3044\u305b\u3093\uff09\u3068\u3044\u3046\u3002\u3053\u306e\u5de5\u7a0b\u3067\u306f\u3001<strong>\u9ad8\u7089\uff08\u3053\u3046\u308d\uff09<\/strong>\u3068\u547c\u3070\u308c\u308b\u8d85\u5de8\u5927\u306a\u8a2d\u5099\u3092\u4f7f\u3046\uff08\u9ad8\u305530m\u4ee5\u4e0a\uff09\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2271-1024x768.jpeg\" alt=\"\" class=\"wp-image-30487\" srcset=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2271-1024x768.jpeg 1024w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2271-300x225.jpeg 300w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2271-768x576.jpeg 768w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2271-1536x1152.jpeg 1536w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2271.jpeg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u6771\u7530\u7b2c\u4e00\u9ad8\u7089\u8de1 @\u5317\u4e5d\u5dde\uff082022.3\u64ae\u5f71\uff09<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-444444-color has-text-color\">\u9ad8\u7089\u306e\u4e2d\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u6750\u6599\u3092\u5165\u308c\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list has-444444-color has-text-color jinr-list\">\n<li><strong>\u9244\u9271\u77f3<\/strong>\uff08\u539f\u6599\uff09<\/li>\n\n\n\n<li><strong>\u30b3\u30fc\u30af\u30b9<\/strong>\uff08\u77f3\u70ad\u3092\u52a0\u5de5\u3057\u305f\u71c3\u6599\uff09<\/li>\n\n\n\n<li><strong>\u77f3\u7070\u77f3<\/strong>\uff08\u4e0d\u7d14\u7269\u3092\u53d6\u308a\u9664\u304f\u5f79\u76ee\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3053\u308c\u3089\u3092\u9ad8\u7089\u306e\u4e2d\u3067\u7d042000\u2103\u306e\u9ad8\u6e29\u306b\u3057\u3066\u6eb6\u304b\u3057\u3066\u3044\u304f\u3068\u3001\u30c9\u30ed\u30c9\u30ed\u306b\u6eb6\u3051\u305f\u300c\u9291\u9244\uff08\u305b\u3093\u3066\u3064\uff09\u300d\u3092\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3053\u306e\u9291\u9244pig rion\u306f\u3001<strong>\u70ad\u7d20\u30922\u301c3\uff05\u542b\u3093\u3067\u3044\u3066\u3001\u3068\u3066\u3082\u786c\u304f\u3066\u8106\u3044<\/strong>\u306e\u304c\u7279\u5fb4\u3002\u307e\u3060\u3053\u306e\u307e\u307e\u3067\u306f\u5b9f\u7528\u54c1\u306b\u306f\u4f7f\u3048\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3061\u306a\u307f\u306b\u3001\u9ad8\u7089\u306f\u4e00\u5ea6\u706b\u3092\u5165\u308c\u305f\u3089\u6b62\u3081\u3089\u308c\u306a\u3044\u3002<strong>24\u6642\u9593365\u65e5\u3001\u305a\u3063\u3068\u7a3c\u50cd\u3057\u7d9a\u3051\u308b<\/strong>\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u7a3c\u50cd\u306b\u306f\u5927\u91cf\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u3068\u5b89\u5b9a\u3057\u305f\u539f\u6599\u4f9b\u7d66\u304c\u6b20\u304b\u305b\u306a\u3044\u3002<\/p>\n\n\n\n<section class=\"wp-block-jinr-blocks-accordion b--jinr-block b--jinr-accordion block-d274faae-5e92-4aa0-b704-cd422a2816e4 d--accordion-default d--accordion-outline\"><style>\n\t\t\t\t\t\t\t\t.block-d274faae-5e92-4aa0-b704-cd422a2816e4 .a--accordion-title {\n\t\t\t\t\t\t\t\t\tcolor: #444444!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t.block-d274faae-5e92-4aa0-b704-cd422a2816e4 .b--jinr-accordion-item{\n\t\t\t\t\t\t\t\t\tborder-color: #dddddd!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t.block-d274faae-5e92-4aa0-b704-cd422a2816e4 .a--accordion-toggle span{\n\t\t\t\t\t\t\t\t\tbackground-color: #444444!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t<\/style>\n<div class=\"wp-block-jinr-blocks-accordionchild\"><dl class=\"b--jinr-accordion-item\"><div class=\"a--accordion-toggle\"><span><\/span><span><\/span><\/div><div class=\"a--acc-question ef\">Q<\/div><dt class=\"a--accordion-title d--bold\">\u9ad8\u7089\u3092\u6b62\u3081\u3089\u308c\u306a\u3044\u7406\u7531<\/dt><dd class=\"c--accordion-contents\">\n<p>\u9ad8\u7089\u306f\u9ad8\u305530m\u4ee5\u4e0a\u3042\u308b\u5854\u306e\u3088\u3046\u306a\u69cb\u9020\u3067\u3001\u4e0a\u304b\u3089<strong>\u9244\u9271\u77f3\u30fb\u30b3\u30fc\u30af\u30b9\uff08\u71c3\u6599\uff09\u30fb\u77f3\u7070\u77f3\uff08\u4e0d\u7d14\u7269\u9664\u53bb\u7528\uff09\u3092\u5c64\u72b6\u306b\u4ea4\u4e92\u306b\u7a4d\u307f\u91cd\u306d\u3066\u6295\u5165<\/strong>\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u304c<strong>\u7089\u306e\u4e2d\u3092\u3086\u3063\u304f\u308a\u3068\u4e0b\u306b\u964d\u308a\u3066\u3044\u304d\u306a\u304c\u3089\u30012000\u2103\u8fd1\u3044\u6e29\u5ea6\u306e\u4e2d\u3067\u53cd\u5fdc\u3057\u3001\u4e0b\u304b\u3089\u9291\u9244\u304c\u53d6\u308a\u51fa\u3055\u308c\u308b<\/strong>\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001\u9ad8\u7089\u306f\u300c\u4e00\u5ea6\u306b\u5168\u90e8\u6eb6\u304b\u3059\u934b\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u53cd\u5fdc\u3057\u306a\u304c\u3089\u4e0b\u306b\u6d41\u308c\u3066\u3044\u304f\u5de8\u5927\u306a\u88c5\u7f6e\u300d\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u203b\u4e0a\u304b\u3089\u5165\u308c\u305f\u9244\u9271\u77f3\u306a\u3069\u306e\u539f\u6599\u304c\u4e0b\u304b\u3089\u9291\u9244\u3068\u3057\u3066\u51fa\u3066\u304f\u308b\u307e\u3067\u306e\u6642\u9593\u306f\u3001\u304a\u304a\u3088\u305d&nbsp;6\u301c8\u6642\u9593\u7a0b\u5ea6\u3068\u8a00\u308f\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u3086\u3048\u306b\u3001\u9ad8\u7089\u5185\u90e8\u306f\u5e38\u306b\u9ad8\u6e29\u3092\u4fdd\u3061\u7d9a\u3051\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u5185\u90e8\u304c\u51b7\u3048\u3066\u56fa\u307e\u308a\u3001\u9244\u306e\u901a\u308a\u9053\u304c\u3075\u3055\u304c\u3063\u3066\u3057\u307e\u3044\u3001<strong>\u518d\u7a3c\u50cd\u306b\u5927\u304d\u306a\u624b\u9593\u3068\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b<\/strong>\u3053\u3068\u306b\u306a\u308b\u3002<\/p>\n<\/dd><\/dl><\/div>\n<\/section>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2234-1024x768.jpeg\" alt=\"\" class=\"wp-image-30488\" srcset=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2234-1024x768.jpeg 1024w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2234-300x225.jpeg 300w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2234-768x576.jpeg 768w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2234-1536x1152.jpeg 1536w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/IMG_2234.jpeg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u5b98\u55b6\u516b\u5e61\u88fd\u9244\u6240 \u65e7\u672c\u4e8b\u52d9\u6240 \u773a\u671b\u30b9\u30da\u30fc\u30b9 @\u5317\u4e5d\u5dde\uff082022.3\u64ae\u5f71\uff09<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-444444-color has-text-color jinr-heading d--bold\">\u2461\u88fd\u92fc\uff1a\u8ee2\u7089\u3092\u4f7f\u3063\u3066\u3001\u9291\u9244\u306e\u70ad\u7d20\u3092\u8abf\u6574\u3057\u3066\u7c97\u92fc\u3092\u4f5c\u308b<\/h4>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u9291\u9244\u306e\u70ad\u7d20\u306e\u91cf\u3092\u8abf\u6574\u3059\u308b\u4f5c\u696d\u3092\u88fd\u92fc\uff08\u305b\u3044\u3053\u3046\uff09\u3068\u3044\u3046\u3002\u3053\u306e\u5de5\u7a0b\u3067\u306f\u3001<strong>\u8ee2\u7089\uff08\u3066\u3093\u308d\uff09<\/strong>\u3068\u547c\u3070\u308c\u308b\u56de\u8ee2\u5f0f\u306e\u8a2d\u5099\u3092\u4f7f\u3046\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-1024x768.jpeg\" alt=\"\" class=\"wp-image-30489\" srcset=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-1024x768.jpeg 1024w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-300x225.jpeg 300w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-768x576.jpeg 768w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-1536x1152.jpeg 1536w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Basic_oxygen_steelmaking\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Wikipedia\u3088\u308a<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-444444-color has-text-color\">\u8ee2\u7089\u306e\u4e2d\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u6750\u6599\u3092\u5165\u308c\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list has-444444-color has-text-color jinr-list\">\n<li>\u9ad8\u7089\u304b\u3089\u51fa\u3066\u304d\u305f\u30c9\u30ed\u30c9\u30ed\u306e\u9291\u9244\uff08\u7d041400\u301c1500\u2103\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3053\u3053\u306b\u9178\u7d20\u3092\u52e2\u3044\u3088\u304f\u5439\u304d\u8fbc\u3080\u3068\u3001\u9291\u9244\u306b\u542b\u307e\u308c\u308b\u70ad\u7d20\u3084\u4ed6\u306e\u4e0d\u7d14\u7269\u304c\u71c3\u3048\u3066\u98db\u3093\u3067\u3044\u304f\u3002\u3053\u306e\u9178\u5316\u53cd\u5fdc\u304c\u975e\u5e38\u306b\u5f37\u304f\u3001\u5927\u91cf\u306e\u71b1\u304c\u767a\u751f\u3059\u308b\u305f\u3081\u3001\u308f\u3056\u308f\u3056\u706b\u3067\u52a0\u71b1\u3057\u306a\u304f\u3066\u3082\u3001\u7089\u306e\u4e2d\u306e\u6e29\u5ea6\u306f\u81ea\u7136\u30681600\u2103\u8fd1\u304f\u307e\u3067\u4e0a\u304c\u308b\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u3053\u3046\u3057\u3066\u3001\u7c97\u92fccrude steel\u304c\u5b8c\u6210\u3059\u308b\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u88fd\u92fc\uff1a\u9291\u9244\u304b\u3089\u70ad\u7d20\u5206\u3092\u9664\u53bb\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ed6\u306e\u5408\u91d1\u5143\u7d20\u3092\u6df7\u305c\u308b\u3002\u9ad8\u7089\u3067\u53d6\u308a\u51fa\u3057\u305f\u9291\u9244\u306f\u3053\u306e\u307e\u307e\u3067\u306f\u786c\u304f\u3066\u3082\u308d\u304f\u3001\u5727\u5ef6\u52a0\u5de5\u3092\u3059\u308b\u306e\u304c\u56f0\u96e3\u3060\u304c\u3001\u88fd\u92fc\u306b\u3088\u308a\u5f97\u3089\u308c\u308b\u92fc\uff08steel\uff09\u306f\u7c98\u308a\u5f37\u3055\u3092\u6301\u3064\uff08\u7c97\u92fc\uff1acrude steel\uff09\u3002<\/p>\n\n\n\n<section class=\"wp-block-jinr-blocks-accordion b--jinr-block b--jinr-accordion block-63a19229-ecd1-40db-964a-6fea4638d751 d--accordion-default d--accordion-outline\"><style>\n\t\t\t\t\t\t\t\t.block-63a19229-ecd1-40db-964a-6fea4638d751 .a--accordion-title {\n\t\t\t\t\t\t\t\t\tcolor: #444444!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t.block-63a19229-ecd1-40db-964a-6fea4638d751 .b--jinr-accordion-item{\n\t\t\t\t\t\t\t\t\tborder-color: #dddddd!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t.block-63a19229-ecd1-40db-964a-6fea4638d751 .a--accordion-toggle span{\n\t\t\t\t\t\t\t\t\tbackground-color: #444444!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t<\/style>\n<div class=\"wp-block-jinr-blocks-accordionchild\"><dl class=\"b--jinr-accordion-item\"><div class=\"a--accordion-toggle\"><span><\/span><span><\/span><\/div><div class=\"a--acc-question ef\">Q<\/div><dt class=\"a--accordion-title d--bold\">\u8ee2\u7089\u306f\u6b62\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/dt><dd class=\"c--accordion-contents\">\n<p>\u8ee2\u7089\u306f\u3001\u9ad8\u7089\u3068\u9055\u3063\u3066<strong>1\u56de\u3054\u3068\u306e\u30d0\u30c3\u30c1\uff08\u5358\u767a\uff09\u51e6\u7406<\/strong>\u3067\u92fc\u3092\u4f5c\u308b\u88c5\u7f6e\u306a\u306e\u3067\u3001<strong>1\u56de\u3054\u3068\u306e\u4f5c\u696d\u304c\u7d42\u308f\u308c\u3070\u6b62\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/strong>\u3002\u9178\u7d20\u3092\u5439\u304d\u8fbc\u3080\u3053\u3068\u3067\u70ad\u7d20\u306a\u3069\u306e\u4e0d\u7d14\u7269\u3092\u71c3\u3084\u3057\u3001\u305d\u306e\u767a\u71b1\u3067\u5185\u90e8\u6e29\u5ea6\u3092\u4e0a\u3052\u308b\u4ed5\u7d44\u307f\u306e\u305f\u3081\u3001\u5e38\u306b\u9ad8\u6e29\u3092\u4fdd\u3061\u7d9a\u3051\u308b\u5fc5\u8981\u3082\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001<strong>\u73fe\u5b9f\u306b\u306f\u9ad8\u7089\u304b\u3089\u51fa\u3066\u304d\u305f\u9291\u9244\u304c\u9023\u7d9a\u7684\u306b\u4f9b\u7d66\u3055\u308c\u3066\u304f\u308b<\/strong>\u305f\u3081\u3001\u305d\u308c\u3092\u52b9\u7387\u3088\u304f\u51e6\u7406\u3059\u308b\u306b\u306f\u8ee2\u7089\u5074\u3082\u3042\u308b\u7a0b\u5ea6\u306e\u9023\u7d9a\u64cd\u696d\u304c\u6c42\u3081\u3089\u308c\u308b\u3002\u3064\u307e\u308a\u300c\u6b62\u3081\u3089\u308c\u308b\u3051\u308c\u3069\u3001\u6b62\u3081\u306b\u304f\u3044\u300d\u3068\u3044\u3046\u306e\u304c\u5b9f\u614b\u3067\u3042\u308b\u3002<\/p>\n<\/dd><\/dl><\/div>\n<\/section>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-444444-color has-text-color jinr-heading d--bold\"><strong>\u2461\u30b9\u30af\u30e9\u30c3\u30d7\u304b\u3089\u4f5c\u308b<\/strong><\/h3>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u9244\u9271\u77f3\u3067\u306f\u306a\u304f\u3001\u4f7f\u3044\u7d42\u308f\u3063\u305f\u9244\u88fd\u54c1\uff08\uff1d<strong>\u9244\u30b9\u30af\u30e9\u30c3\u30d7<\/strong>\uff09\u3092\u6eb6\u304b\u3057\u3066\u518d\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308b\u3002\u3053\u306e\u5de5\u7a0b\u3067\u306f\u3001<strong>\u96fb\u7089\uff08\u3067\u3093\u308d\uff09<\/strong>\u3068\u547c\u3070\u308c\u308b\u8a2d\u5099\u3092\u4f7f\u3046\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"796\" src=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-1.jpeg\" alt=\"\" class=\"wp-image-30490\" srcset=\"https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-1.jpeg 800w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-1-300x300.jpeg 300w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-1-150x150.jpeg 150w, https:\/\/social-studies-magazine.com\/zero\/wp-content\/uploads\/2025\/06\/image-1-768x764.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Electric_arc_furnace\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Wikipedia\u3088\u308a<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-444444-color has-text-color\">\u96fb\u7089\u306e\u4e2d\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u6750\u6599\u3092\u5165\u308c\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list has-444444-color has-text-color jinr-list\">\n<li>\u9244\u30b9\u30af\u30e9\u30c3\u30d7\uff08\uff1d\u4e0d\u8981\u306b\u306a\u3063\u305f\u9244\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u96fb\u6c17\u306e\u529b\u3067\u9244\u30b9\u30af\u30e9\u30c3\u30d7\u3092\u9ad8\u6e29\u306b\u3057\u3066\u6eb6\u304b\u3059\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u30b9\u30af\u30e9\u30c3\u30d7\u306f\u3059\u3067\u306b\u9244\u88fd\u54c1\u3068\u3057\u3066\u4f7f\u308f\u308c\u3066\u3044\u305f\u3082\u306e\u306a\u306e\u3067\u3001\u300c\u9178\u7d20\u3092\u53d6\u308a\u9664\u304f\u300d\u300c\u70ad\u7d20\u3092\u8abf\u6574\u3059\u308b\u300d\u3068\u3044\u3046\u5de5\u7a0b\u306f\u6e08\u3093\u3067\u3044\u308b\u72b6\u614b\u3002\u305d\u306e\u305f\u3081\u3001\u9244\u9271\u77f3\u304b\u3089\u4f5c\u308b\u3068\u304d\u306e\u3088\u3046\u306b\u300c\u88fd\u9291\u300d\u3084\u300c\u88fd\u92fc\u300d\u3068\u3044\u3063\u305f\u5927\u304c\u304b\u308a\u306a\u5de5\u7a0b\u3092\u7d4c\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001<strong>\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u7701\u30a8\u30cd\u3067\u7c97\u92fc\u3092\u3064\u304f\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/strong>\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u305f\u3060\u3057\u3001\u30b9\u30af\u30e9\u30c3\u30d7\u306b\u306f\u3001<strong>\u5857\u88c5\u30fb\u30b4\u30df\u30fb\u7570\u7269\u30fb\u4e0d\u7d14\u7269<\/strong>\u306a\u3069\u304c\u6df7\u3056\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u305d\u308c\u3089\u3092<strong>\u53d6\u308a\u9664\u304f\u9078\u5225\u6280\u8853<\/strong>\u304c\u3068\u3066\u3082\u91cd\u8981\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<p class=\"has-444444-color has-text-color\">\u73fe\u72b6\u306e\u6280\u8853\u3067\u306f\u3001\u30b9\u30af\u30e9\u30c3\u30d7\u304b\u3089\u9ad8\u7d1a\u306a\u92fc\uff08\u4f8b\uff1a\u81ea\u52d5\u8eca\u3084\u96fb\u6a5f\u306b\u4f7f\u308f\u308c\u308b\u9ad8\u54c1\u8cea\u92fc\uff09\u3092\u3064\u304f\u308b\u306e\u306f\u3084\u3084\u96e3\u3057\u304f\u3001\u300c\u3069\u308c\u3060\u3051\u304d\u308c\u3044\u306a\u30b9\u30af\u30e9\u30c3\u30d7\u3092\u9078\u3079\u308b\u304b\u300d\uff1d\u54c1\u8cea\u306e\u9375\u3068\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<section class=\"wp-block-jinr-blocks-accordion b--jinr-block b--jinr-accordion block-552918ff-3baa-41d2-b64d-0b40974f1bbb d--accordion-default d--accordion-outline\"><style>\n\t\t\t\t\t\t\t\t.block-552918ff-3baa-41d2-b64d-0b40974f1bbb .a--accordion-title {\n\t\t\t\t\t\t\t\t\tcolor: #444444!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t.block-552918ff-3baa-41d2-b64d-0b40974f1bbb .b--jinr-accordion-item{\n\t\t\t\t\t\t\t\t\tborder-color: #dddddd!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t.block-552918ff-3baa-41d2-b64d-0b40974f1bbb .a--accordion-toggle span{\n\t\t\t\t\t\t\t\t\tbackground-color: #444444!important;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t<\/style>\n<div class=\"wp-block-jinr-blocks-accordionchild\"><dl class=\"b--jinr-accordion-item\"><div class=\"a--accordion-toggle\"><span><\/span><span><\/span><\/div><div class=\"a--acc-question ef\">Q<\/div><dt class=\"a--accordion-title d--bold\">\u96fb\u7089\u3082\u6b62\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/dt><dd class=\"c--accordion-contents\">\n<p>\u96fb\u7089\u306f\u3001\u9244\u30b9\u30af\u30e9\u30c3\u30d7\u3092\u6eb6\u304b\u3057\u3066\u92fc\u3092\u3064\u304f\u308b\u300c\u30d0\u30c3\u30c1\u5f0f\u300d\u306e\u88c5\u7f6e\u3067\u30011\u56de\u306e\u51e6\u7406\u3054\u3068\u306b\u7a3c\u50cd\u3092\u6b62\u3081\u3089\u308c\u308b\u69cb\u9020\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u9ad8\u7089\u306e\u3088\u3046\u306b\u5e38\u306b\u9ad8\u6e29\u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u767a\u71b1\u6e90\u3082\u96fb\u6c17\u306a\u306e\u3067\u67d4\u8edf\u306b\u30aa\u30f3\u30fb\u30aa\u30d5\u306e\u5207\u308a\u66ff\u3048\u304c\u53ef\u80fd\u3002<\/p>\n<\/dd><\/dl><\/div>\n<\/section>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-444444-color has-text-color jinr-heading d--bold\">\u307e\u3068\u3081\uff1a\u7c97\u92fc\u306f\u9244\u92fc\u88fd\u54c1\u306e\u51fa\u767a\u70b9<\/h2>\n\n\n\n<p 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