Thaum xaiv lub roj teeb txee, xav txog cov hauv qab no:
1. Qhov loj thiab muaj peev xwm: txiav txim qhov loj thiab muaj peev xwm ntawm cov roj teeb sib luag raws li cov kev xav tau tiag tiag. Qhov loj me yuav tsum tau tsim nyog, haum cov neeg tsim nyog ntawm cov roj teeb thaum tsis muaj chaw tsis muaj sijhawm. Lub peev xwm yuav tsum tau npaj kom haum raws li tag nrho cov roj teeb muaj peev xwm thiab siv cov xwm txheej.
2. Kev Nyab Xeeb: Kev Nyab Xeeb yog qhov tseem ceeb tshaj plaws. Xaiv lub roj teeb txee nrog ntau yam kev nyab xeeb, xws li kev tiv thaiv, tshaj {2} kev tiv thaiv thiab kub ntxhov thaum siv.
3. Cov khoom siv thiab cov qauv: cov khoom siv thiab cov qauv ntawm lub roj teeb hluav taws xob yog qhov tseem ceeb heev rau nws qhov kev ruaj khov thiab kev ruaj khov. High {{2} Cov ntaub ntawv zoo xws li hlau lossis polymers muab kev tiv thaiv zoo dua, thaum lub siab} tsim kev ruaj khov thiab cua sov dissipation.
4. Siv tau: Xav txog kev yooj yim ntawm kev siv lub roj teeb txee, xws li lub qhov rooj qhib thiab taw qhia teeb thiab taw qhia teeb pom kev zoo. Xaiv ib qho uas yog ergonomically tsim thiab siv tau yooj yim.