Hauv cov chaw mining loj thiab quarries, sab saum toj rauj drilling rigs yog cov khoom siv pob zeb ntau tshaj plaws. Nrog rau qhov tob ntawm 5-15 meters, sab saum toj rauj drilling rigs tuaj yeem ua kom zoo tshaj qhov drilling. Yog tias koj mob siab txog kev ua haujlwm ntawm mining, ces qhov zoo tshaj plaws rauj laum yog qhov koj xaiv zoo tshaj plaws. Peb tuaj yeem muab cov rauj laum rigs sab saum toj thiab qhov ruaj khov tshaj plaws nyob hauv Suav teb. Nyob rau tib lub sijhawm, peb lub shank adaptor, threaded laum pas nrig, thiab threaded laum me ntsis kuj yog qhov zoo tshaj plaws.