1. Txiav txim siab qhov chaw teeb tsa ntawm cov khoom siv pov tseg kom huv. Cov khoom siv lim dej kho mob yuav tsum muab nruab rau hauv qhov zoo - pa taws qhov chaw uas yooj yim rau kev tshem dej thiab txij nkawm.
2. Xyuas kom meej tias kev teeb tsa lub hauv paus ntawm cov khoom siv pov tseg yog ruaj. Lub hauv paus nruab kev teeb tsa ntawm cov khoom siv pov tseg cov khoom siv pov tseg yuav tsum yog tiaj thiab ruaj. Yog tias tsim nyog, ntxiv kho bolts lossis txhawb cov ntas los ua kom cov khoom ruaj khov.
3. Paub meej tias txoj kev teeb tsa kev teeb tsa ntawm cov khoom siv pov tseg. Cov txheej txheem kev teeb tsa ntawm cov khoom siv pov tseg cov khoom siv tau txiav txim siab xws li qhov loj thiab cov phiaj xwm kev teeb tsa, thiab cov ncauj lus kom ntxaws yuav tsum tau tsim ua ntej kev teeb tsa.