Pamwamba pa mbale ya aluminized zinc imadziwika ndi maluwa osalala, osalala komanso okongola, ndipo mtundu woyamba ndi woyera-siliva. Ubwino ndi motere: 1.corrosion kukana: zotayidwa zinki mbale ali amphamvu dzimbiri kukana, yachibadwa moyo utumiki o ...