Cov lus piav qhia luv luv:

• Haum rau zaub mov, haus, tshuaj, thiab muag khoom.
• Cov ntawv nplaum nws tus kheej muaj cov kev xaiv ntawm cov nplaum xaiv xa cov nplaum txhim khu kev qha rau ntau qhov sib txawv, los yog - rau cov ntawv thov tseem ceeb - cov nplaum tshwj xeeb.
• Muaj peev xwm tsim cov khoom tsim tau zoo, qhov muag pom tseeb uas yog qhov zoo heev rau kev txhawb nqa cov khoom lag luam ntawm txee.