1.Ummahluko ophambili we-Hot-dip galvanizing kukunyibilikisa i-zinc kwindawo engamanzi, emva koko ungene kwi-substrate ukuze ifakwe, ukuze i-zinc yenze umaleko ongenelela kunye ne-substrate ekufuneka i-plated, ukuze ukudibanisa kuqiniswe kakhulu, kwaye akukho bumdaka okanye iziphene ezihleli embindini ...
Funda ngokugqithisileyo