Cov cuab yeej siv xuab zeb hauv av yog ib yam tshiab ntawm kev ua haujlwm los tshem tawm cov teeb meem ntawm qhov chaw tsoo, ib puag ncig, cov teeb tsa yooj yim thiab teeb meem thauj mus los yooj yim rau cov neeg siv cov crushing ua haujlwm, dav siv hauv cov mining ore crushing, kev tsim kho cov khib nyiab rov qab, kev tsim kho kev tsim ua ntau lawm, txoj kev loj, kev tsheb nqaj hlau , txoj kev tsim kho choj kev thiab lwm yam kev lag luam. Nws qhov tshwm sim tau nthuav dav ntxiv lub tswv yim ntawm kev ua haujlwm tawg.
Cov laj kab ntau lawm feem ntau haum rau thaj chaw ua haujlwm me, hloov chaw ntau lawm, khoom tawg ntau dua, xav kom hloov chaw cov khoom siv, tshwj xeeb tshaj yog kev loj, kev tsheb nqaj hlau, dej ua haujlwm thiab lwm yam haujlwm txawb pob zeb. Kev xaiv cov khoom siv txawb khoom siv nplua nuj, hloov pauv hloov yooj yim, tsis tas yuav tsum rhuav tshem, teeb tsa ua tiav kev pub mis, tsoo, tshuaj xyuas cov txheej txheem, kom tau raws li cov neeg siv khoom ntiag tug xav tau.
