Lwm yam tim

Txij li thaum cov ntaub ntawv ib txwm ua tsis tau raws li kev siv tau ua tiav, feem ntau cov neeg yuav khoom yuav sim siv cov ntaub ntawv ceramic vim lawv ua tau zoo heev.

Peb lub tuam txhab tuaj yeem muab cov kev pab cuam cericized rau cov khoom sib xyaw rau cov khoom lag luam, metallurgy, metalluronics thiab lwm yam kev coj ua los yog cov neeg siv tshwj xeeb muab los ntawm cov neeg siv khoom.

Peb yuav cog lus koj tias cov khoom ruaj khov thiab muaj tseeb ntawm qhov ntev.