Iposwe ngo-2015-05-14 Okokuqala, inkangeleko:Kukukhanya kwendalo okukhanyelayo, ngokujongwa kwamehlo.Ithoni esisiseko yokwambathisa i-zinc chromate kufuneka ibe ngwevu yesilivere, inokufumaneka ngokuguqulwa kweminye imibala, njengomnyama.I-zinc chromate coating kufuneka iqhubeke, ingenamthungo yokwambathisa, b...
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