PAB:
1. Yooj yim sib dhos thiab tshem riam phom.
2. Yooj yim rau kev thauj mus los.
3. Yooj yim tswj cov khoom lag luam.
4. Pheej yig thiab ua haujlwm zoo.
5. Kev nkag tau yooj yim.
6. Ntau yam kev siv sib txawv.
Daim ntaub ntawv:
1. Cov khoom siv hnyav.
2. Rau cov ntaub ntawv uas xav tau kev tiv thaiv ntau dua.
3. Qhib daim ntawv thov txee.
4. Zoo tagnrho rau cov khoom siv tiv thaiv kom tsis txhob deterioration.
5. Ntau qhov sib txawv ua ke.
6. Muaj peev xwm nthuav dav qhov system.
7. Zoo tagnrho rau cov thawv ntim khoom, cov pob loj thiab cov khoom ntev.