Khoom siv
- Kev saib xyuas ib puag ncig zoo;
- saib xyuas cov khoom muaj kuab paug;
- Kev saib xyuas xwm txheej ceev ntawm ib puag ncig muaj kuab paug;
- Lwm yam kev saib xyuas ib puag ncig uas muab cov ntaub ntawv saib xyuas kev tswj hwm ib puag ncig xws li kev tshawb nrhiav ib puag ncig thiab kev tshuaj xyuas.