(1) Cov txiaj ntsig zoo: Kev tswj ceev ceev, cov yam ntxwv ntawm lub zog hnyav, kev tswj xyuas yooj yim, cov yam ntxwv hloov kho zoo, lub sijhawm teb ceev ceev, siv tau yooj yim, thiab tus nqi pheej yig.
(2) Qhov tsis zoo: Kev txhuam hluav taws xob sib txuas, kev txwv ceev, kev tiv thaiv ntxiv, tsim cov khoom siv (tsis haum rau siv hauv qhov chaw tsis muaj plua plav thiab tawg).
