Kho Cov Kab Ntawm Cov Rooj

1. Kev kho qhov chaw, lub tog zaum lub tog zaum yuav tsum tau kho kom tshem tawm cov roj thiab ya raws;

2. Kho cov ntaub ntawv kho;

3. Ua ntawv thov cov khoom, tusyees siv cov khoom ntawm qhov chaw kho ntawm lub rooj zaum, thiab ua kom nws khov kho;

4. Tos kom cov khoom ua kom khov, cov nplaim ntawm cov khoom tuaj yeem ua kom sov kom nrawm rau cov khoom ua kom khov.

Kev coj tus kheej coj los hnav tuaj yeem kho tau hauv 3-6 teev. Kev ua haujlwm yog yooj yim thiab yooj yim kawm, tsis xav tau cov cuab yeej tshwj xeeb thiab kev qhia tshwj xeeb. Piv nrog laser vuam, vuam txias thiab lwm yam thev naus laus zis, nws txuag lub sijhawm thiab kev rau siab, thiab tus nqi tsuas yog 1/5 ntawm tus nqi kho dav dav. 1/10, kho nyob rau ntawm qhov chaw txo cov cuab yeej kho lub sijhawm thiab nqi tsheb thauj mus los.