1. Thaum kov cov vuas luaj, kov lawv nrog kev saib xyuas, thiab muab cov vuas ntim rau hauv av. Nws yog txwv tsis pub siv lub kaum-kaum txoj kev tsaws rau kev coj cov vuas.
2. Kev Thauj Khoom thiab Teeb Cov Khoom Siv Ntoo ntawm cov vuas luaj uas yuav tsum tau muab tso rau cov vuas luaj, thiab cov vuas luaj yuav tsum muab tso rau hauv txoj kev ntsug.
Lub Sijhawm Post: Jul-28-2022