Rwb thaiv tsev: tub tso khoom thauj khoom yuav tsum tau kaw kom tsawg dua los txo cov pa hluav taws kub nrog lub ntiaj teb sab nraud, ua kom muaj qhov kub nyob sab hauv.
Txias: Cov khoom siv tub yees tub yees yuav tsum tau ua haujlwm tas li kom muaj kev khiav dej num tsis tu ncua rau cov khoom muag thiab xyuas kom lawv zoo.
Yooj yim ntawm kev thauj: Txij li thaum lub tsheb thauj khoom hauv tub yees feem ntau siv los thauj cov khoom uas xav tau qhov tseem ceeb rau kev xa khoom sai rau lawv qhov chaw.
Rwb thaiv tsev: ntim yog ua los ntawm cov ntaub ntawv nrog cov khoom siv hluav taws xob zoo dua, tab sis nrog lub thawv xa khoom kom txo qis kev hloov pauv kub.