1. Nws tuaj yeem kho cov pob qij txha thiab cov leeg zoo dua, thiab cov nyhuv tuaj yeem kav ntev li 3-4 teev.
2. Cov ntaub qhwv nyob ze rau ntawm daim tawv nqaij, tuaj yeem sib haum rau kev txav ntawm cov pob qij txha thiab cov leeg thiab tsis yooj yim rau poob.
3. Zoo ultra-nyias thiab haum zoo yog ib qho tseem ceeb tiv thaiv cov cuab yeej rau kev sib tw kis las hnav khau kis las.
4. Hom ntaub qhwv thiab cov txheej txheem ntawm daim ntawv thov ntaub qhwv yog yooj yim rau tus tswv.
5. Nws tuaj yeem muab kev kho thiab compression lub zog ntawm cov pob txha thiab lub cev.
