1. Nws yog ib qho tsim nyog los kuaj xyuas rau cov raj xa dej tsis tu ncua thiab ceev ceev.
2.}}}}}}}}}} Soj ntsuam cov kev ntseeg tau, ntub kom cov roj txav raws li cov khoom siv txav
3.}}} Tsis txhob saib xyuas seb puas muaj kev nyab xeeb ntawm lub tshuab, tshwj xeeb yog tom qab hloov pauv cov nyiaj pov hwm tau hloov kho raws li.
4.}}}} Tsis tu ncua xyuas cov av sib txuas, rwb thaiv tsev ntawm cov hluav taws xob Cheebtsam thiab cov xov hlau.
5.}}}} Kev lim cov roj ntawm cov roj av, thiab tsis zoo, thiab tsis zoo li roj av, thiab hluav taws xob tsis zoo, thiab cov roj hydraulic yuav tsum tau hloov kho sai li sai tau; Thaum muaj cov pob me me me me lossis pob tshab rau cov roj hauv cov roj hydraulic, nws txhais tau tias cov tshuaj impurities lossis cov hlau yuav tsum tau sib xyaw lossis hloov.
6. Kev txij nkawm ntawm qhov tseem ceeb xws li screws thiab cov nplaim taws yuav tsum tau nqa raws li cov kev xav tau ntawm cov lus qhia ntawm.
7.}}} Ua haujlwm ntawm cov khoom siv yas, tsom mus rau lub sijhawm ua haujlwm, kev hloov kho, disassection.
