Khoom siv ntau lawm
Kev tshaj lij cov khoom tsim khoom siv los xyuas kom muaj cov khoom muag txaus
Kev ua thiab cov khoom siv ntau lawm
Peb lub Hoobkas muaj zog technical force thiab siab heev thiab ua tau zoo thiab cov khoom siv ntau lawm.
Cov cuab yeej kuaj xyuas zoo
Cov cuab yeej kuaj xyuas zoo heev los xyuas kom meej cov khoom zoo
