1. Zuag qhia tag nrho loj yog zoo huv si, kab du, thiab xim qhov muag
2. Muaj qee ntu ntawm cov kab thaiv kom pab txhawb qhov hloov ntawm daim ntawv lo khoom
3. Qhov chaw thiab peev xwm ntawm txhua chav tsev yog qhov loj dua li cov khoom lag luam dav dav
4. Muaj cov khoom siv nplua nuj, tsim nyog rau kev tso tawm txhua yam khoom, xws li khaub ncaws, khau, raj mis plooj, ntawv sau, khoom siv thiab lwm yam.