Txheej txheem ntsiab lus txhais khoom pob tw ceramics
Cov txheej txheem ceramics yog cov qib siab ua haujlwm uas muaj cov thev naus laus zis zoo heev, cov khoom siv cua sov thiab tshuaj lom neeg xws li siab kub, tiv taus yaig, ua hauj corrosion, siab hardness, siab zog, thiab qis tus lej nkag, thiab feem ntau siv hauv ntau yam qauv.