Wannan shine samfurin mu na amfani, goat ido itace sukurori, muna siyarwa a duk faɗin duniya, tare da kyakkyawan ra'ayi. Ana iya raba shi zuwa abubuwa daban-daban guda biyu, carbon karfe da bakin karfe. Amma kayan ƙarfe na carbon ya fi yawa, kuma akwai maki da yawa, daga samarwa zuwa fitarwa, kowane sashe yana ...
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