Daim ntawv thov: Dav siv rau tshuaj lom neeg, cov zaub mov (tshwj xeeb tshaj yog siv rau cov khoom tsis yog ntxhia, xws li calcium carbonate, kaolin quartz, talc, mica, thiab lwm yam), metallurgy, abrasive, ceramics, khoom siv hluav taws xob, tshuaj, tshuaj tua kab, khoom noj, kev noj qab haus huv cov khoom siv, thiab cov khoom siv tshiab.