1. Kev tsw ntxhiab tsw: Huv xabkins yuav tsum muaj cov pa hluav taws zoo, nqus zais cia tam sim ntawd, ua kom lub chaw mos qhuav, thiab zam kev tsis xis nyob.
2. Kev nplij siab zoo: qhov muag muag, nyias nyias thiab kev ua tsis taus pa ntawm cov ntaub so huv si yog qhov tseem ceeb heev rau ntev-}} lub sijhawm hnav. Cov phuam huv huv tuaj yeem ua rau koj xis nyob thiab yuav tsis tsim cov ntxhiab vim vim muaj kev tso tseg.
3. Cov pa tau zoo: Huv hau ntaub so nrog cov pa hluav taws xob ua rau lub cev tawm hauv lub cev, tsis txhob muaj kev nyuaj ntawm lub cev nqaij daim tawv nqaij, thiab pab tiv thaiv kom tiv thaiv tau mob.
4. Kev nyab xeeb siab: Huv hau cov ntaub so yog cov khoom tseem ceeb rau cov poj niam thaum coj khaub ncaws, thiab kev nyab xeeb yog qhov tseem ceeb heev. Huv xabkins yuav tsum sim xaiv cov khoom lag luam uas muaj paj rwb ntshiab, tsis {{pigicescent, thiab tsis txhob siv cov ntaub so ntswg uas tau siv ob zaug.
