Txoj kev daws rau lub lub thawv-hom ua haujlwm rauv cua sov tuaj

1. Tshawb xyuas daim phiaj hluav taws xob;

2. Ntsuas seb qhov kev tiv thaiv ntawm peb pawg ntawm cov hluav taws xob cua sov yog zoo ib yam;

3. Tshawb xyuas qhov txhaum ntawm lub tshuab hluav taws xob cua sov;

4. Ntsuas seb qhov kev txwv ntawm peb pawg ntawm cov hluav taws xob cua sov yog nyob rau hauv qhov kev tso cai;

5. Hloov cov khoom siv hluav taws xob cua sov;

6. Tshem tawm cov ntsiab lus luv luv;

7. Txo cov nqi thauj khoom;

8. Hloov cov txheej rwb thaiv tsev kub, lossis txo cov cua sov dissipation, xws li cov dej txias ntws;

9. Txuas cov hluav taws xob cua sov kom raug;

10. Txheeb xyuas qhov cub tawg transformer;

11. Tshawb xyuas lossis kho lub hwj chim tswj;

12. Tshem tawm qhov tsis ua haujlwm ntawm cov khoom siv tswj.