Bututun ƙarfe mara ƙarfi yana da ɓangaren giciye kuma ana amfani dashi da yawa azaman bututun jigilar ruwa, kamar bututun jigilar mai, iskar gas, gas, ruwa da wasu ƙaƙƙarfan kayan aiki.Karfe bututu da zagaye karfe da sauran m karfe, idan aka kwatanta da guda lankwasawa da tor ...
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