Thaum tuav, sib dhos, vuam, vuam seam tshuaj xyuas, thiab ua cov txheej txheem sab hauv daim hlau, cov khoom siv, thiab cov khoom siv ntawm stainless hlau tso tsheb hlau luam, ntau yam kab mob xws li roj stains, khawb, xeb, impurities, low-melting-point hlau pollutant. ...
Nyeem ntxiv