Chav Dej Tsav Kev Nyab Xeeb Tso Drilling Rauv Cov Khaub Ncaws Hnav Cov Khaub Ncaws

Khoom Piav Qhia

Tusdaim ntawv tso zis tso dejNta 6 cov zog yooj yim uas tuaj yeem yooj yim kho kom haum cov neeg xav tau thiab nyiam. Txawm hais tias koj xav tau kev pab ntxiv zaum los yog nce, tus pas nrig loj no muaj cov tes ruaj khov rau kev nyab xeeb tshaj plaws thiab xis nyob. Txhim kho lub rail roller yog tshau vim yog nws cov txheej txheem sib dhos yooj yim. Tsuas yog ua raws cov neeg siv cov lus qhia zoo no tau muab thiab koj yuav muaj kev sib tw sib tw hauv qhov chaw tsis muaj sijhawm. Haum rau ntau yam ntawm ib puag ncig sab hauv tsev, cov kab hlau no yog qhov zoo tshaj rau cov chaw nyob, tsev kho mob, thiab lwm yam saib xyuas neeg laus.

Cov khoom tsis muaj