Karfe kusoshi ne na gine-gine kayan masarufi tare da fa'idodin amfani, musamman a masana'antar gine-gine na yau, ana buƙatar babban adadin kusoshi na ƙarfe a matsayin kayan aikin aiki, don haka don samar da kusoshi na ƙarfe yadda ya kamata, a hankali da arha yana buƙatar saiti na tsari na gabaɗaya, scienti. ...
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