Umnatha wocingo olukwayo lulukiwe kuqala emva kokutyatyekwa, ukufakwa kunye nezinye iindlela, emva kokuba unyango lwe-mesh yocingo okanye i-wire mesh lunokuxhathisa okulungileyo kokuhlwa, iimpawu zokumelana ne-oxidation, zingasetyenziselwa ukwakhiwa, i-petroleum, ishishini lemichiza, ukuzala, ukukhuselwa kwegadi, ukutya. inkqubo...
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