1. Kev npaj: ua ntej, ntxuav cov chaw kom tau sib raug zoo, tshwj xeeb yog tshem tau cov hmoov av thiab roj.
2. Thov cov kua nplaum: thov ms lo kom muaj tusyees rau cov chaw kom sib raug zoo.
3. Tos: lub sijhawm tos kom koj yuav tsum tau sib txawv me ntsis ntawm cov hom nplaum ms, tab sis feem ntau yog 5-20 feeb. Qhov no tso cai rau ms kua nplaum kom tuab thiab nkag mus rau qhov chaw, ntxiv zog.
4. Sau cov khoom siv: tom qab lub sijhawm tos, muab cov ntaub ntawv tos, muab cov ntaub ntawv nyob hauv yuav tsum tau sib koom tes thiab nias khov kho ua ke kom paub tseeb tag nrho cov nyiaj txiag.
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6. Tos cov kua nplaum kom qhuav: nws tsis zoo yuav txav lossis siv cov khoom sib tsoo tam sim ntawd, raws li ms lo kua nplaum tseem xav tau sijhawm los kho kom huv. Zam kev ua kom cov khoom sib cog lus kom tsis txhob ua kua lossis sib cais.
