Yawancin zoben maganadisu suna buƙatar fenti don sauƙaƙe bambancin. Gabaɗaya, ƙwanƙolin foda na ƙarfe yana bambanta da launuka biyu. Wadanda aka saba amfani da su sune ja/m, rawaya/ja, kore/ja, kore/ blue da rawaya/fari. Gaba ɗaya zoben core manganese Fentin kore ne, baƙin ƙarfe-sil...
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