Ƙarfe na farko yana yin ƙarfe. Karfe yana fitowa daga ƙarfen alade. Iron alade da aka samu ta hanyar narkewar tama yana da babban abun ciki na carbon kuma yana dauke da datti mai yawa (kamar silicon, manganese, phosphorus, sulfur, da sauransu). Saboda haka, ƙarfe na alade ba shi da filastik da tauri, yana da ƙarancin kayan aikin injiniya, kuma ca ...
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