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- 2015년 7월 6일 (월) 18:11 (차이 | 역사) . . (+3,589) . . 새글 WhitmoreRomans467 (새 문서: Steel is a composite that comprises for the most component of iron and has a carbon content between .02 and 2.1 by weight, contingent upon the evaluation. Carbon is the most broadly r...) (최신)
