Tare da ci gaban masana'antun fasaha na fasaha, iri-iri da buƙatar sababbin kayan aiki, musamman sababbin kayan aiki, suna karuwa akai-akai, kuma foda metallurgy yana daya daga cikin sababbin kayan.Yana da fa'idodi da yawa kamar tanadin makamashi na ban mamaki, kayan ceto, ex ...
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