Cov khoom nyob rau hauv Thee Mines tsis tas yuav ib thee kev ruaj ntseg certificate

Ib thee kev ruaj ntseg daim ntawv pov thawj yog ruaj tsuas yog cov khoom thiab cov khoom siv rau underground daim ntawv thov. Siv qhov chaw siv, tsis tas yuav muab daim ntawv pov thawj zov me nyuam.

Qhov no muaj xws li thee cutters, neeg ua si, hydraulic txhawb, tib hydraulic props, crushers, siv conveyors, scraper conveyors, hydraulic twj tso kua mis, thee drills, cua drills, tawg-prof switches, txias, thiab kiv cua hauv zos. Rau underground teev, Kev ruaj ntseg tseem ceeb yuav tsum tau encompass hluav taws kub tiv thaiv, tawg, thiab kuj muaj peevxwm kub.