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Masana'antar hakar kwal
A cikin masana'antar hakar ma'adinan kwal, samfuran tacewa suna iya tace ƙaƙƙarfan barbashi masu kyau a cikin iska ko ruwa, ƙaƙƙarfan gurɓataccen gurɓataccen abu, da foda da ke haifar da lalacewa da tsagewar kayan aiki, yana tabbatar da tsabtar ruwa ko iska.Wannan na iya tasiri e...Kara karantawa
