1. Thaum lub sij hawm kev teeb tsa, cov dej tsis zoo thiab cov dej noo- yuav tsum tau ua pov thawj.
2. Thaum kho thiab kho qhov rooj, tsis txhob rub lawv nyuaj kom tsis txhob cuam tshuam lub qhov rooj, qhov rais, thiab khoom siv kho vajtse.
3. Cov cuab yeej txhim kho yuav tsum tau ua tib zoo saib xyuas kom tsis txhob ua rau cov khoom tiav lawm.
4. Qhov qhib ntawm lub qhov rooj teeb tsa yuav tsum tsis txhob siv los ua cov khoom thauj khoom. Yog tias nws yuav tsum tau siv los ua cov khoom thauj khoom, kev tiv thaiv yuav tsum tau ua
Kev ceev faj rau qhov rooj zawv zawg
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