Muaj kev nyab xeeb kev ua haujlwm ntawm hydraulic tej tshuab
1. Lub zog ntsuas hluav taws xob yog qhov qub; 2. Tsis pub muaj sundries khaws cia rau hauv cov khoom siv3. Cov khoom siv xov hlau tsis raug nthuav tawm thiab lub hau ntswj tsis xoob; 4. Tsis muaj cov neeg ua haujlwm tsis muaj kev cuam tshuam lossis teeb meem nyob ib puag ncig ntawm cov khoom siv; 5. Tshawb xyuas qhov sib tsoo log puas tiav thiab khov kho; 6. Muab cov qauv coj mus tso rau hauv daim npav qhov nrog cov nplais hlau kom nteg nws tiaj, qhib cov khoom siv hydraulic kom nias thiab kaw lub hau kom txiav qeeb qeeb7. Txiav tus qauv, kaw cov khoom siv, qhib cov khoom tiv thaiv, tso cov khoom siv hydraulic, txiav tus qauv thiab muab tso rau hauv dej kom txias; 8. Tom qab tus qauv txias, pib cov khoom siv los txhuam thiab txhuam qhov txiav sab ntawm tus qauv
