Ngamakhoyili athathiwe, amashidi ensimbi azacile acwiliswa kubhavu we-zinc oncibilikisiwe ukuze anamathele ungqimba lwensimbi ye-zinc sheet phezulu.Ikhiqizwa ikakhulukazi inqubo eqhubekayo yokufaka ama-galvanizing, okungukuthi, ipuleti lensimbi eligoqiwe liyaqhubeka...
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