Karfe da aka huda wani yanki ne na takarda da aka yi tambari, ƙirƙira, ko naushi don ƙirƙirar ƙirar ramuka, ramuka, da siffofi daban-daban. Ana amfani da nau'i-nau'i na karafa a cikin tsarin aikin karfe, wanda ya hada da karfe, aluminum, bakin karfe, jan karfe, da titanium. Duk...
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