Njengoko igama libonisa, umbhobho obandayo owenziwe ngamazinki ngumbhobho wentsimbi ogqunywe ngomaleko we-zinc kudonga olungaphandle lombhobho wentsimbi nge-electro galvanizing.Le ndlela yonyango ihluke ngokupheleleyo kumgaqo we-galvanizing eshushu, ngoko siyibiza ngokuba ngumbhobho obandayo.