Ua rau: Kev ntxhov siab ntawm qhov sib koom ua ke los yog vuam tsis zoo, xws li kev tswj tsis zoo ntawm vuam cua sov, tsis sib xws vuam ceev, thiab lwm yam.
Kev daws: Ua kom zoo rau kev tsim cov vuam sib koom ua ke, ntxiv dag zog rau kev tswj cov txheej txheem vuam, tswj vuam cua sov kom zoo, thiab ua kom lub vuam sib txuas ua ntej vuam.
