Yiziphi izinqubo zokwelashwa okungaphezulu kwamapuleti ensimbi engagqwali?-I-vacuum color plating
Ithagethi ikhiqiza ukusabela kwe-ionization ku-vacuum electric furnace, bese, ngomjovo wegesi (umoya-mpilo, initrogen, i-acetylene), kwakhiwa ifilimu yombala wensimbi, enamathela ebusweni bepuleti lensimbi engagqwali.























































































