MuajXim:

Kub, Champagne Kub, Dub, Copper, Bronze, Ntsuab, Xiav, Ntshav, thiab lwm yam

WorkingPrinciples:

PVD (Physical Vapor Deposition) yog txheej txheem los tsim cov vapor hlau uas tuaj yeem tso rau ntawm cov khoom siv hluav taws xob raws li nyias nyias nyias cov hlau ntshiab lossis txheej txheej.