Labaran Kamfani
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Ilimin Ƙwararru Na Hanyoyin Aiki Da Aikace-aikace
Ƙididdiga ta masana'antun haɗin hannun rigar ƙarfe na ƙarfe haɗin gwiwar hannu masu sana'a ana amfani da su sosai a cikin aikin injiniya da masana'antar gine-gine, mabuɗin shine a yi amfani da nau'o'in sifofi iri-iri a cikin ginin katako na karfe.Zazzagewa da sanyi-rolle...Kara karantawa