Yuav ua li cas thiaj tswj tau cov pa hluav taws xob?

1. Ua ntej siv, nws yog qhov tsim nyog los xyuas seb cov dej inlet valve tau qhib kom tsis txhob qhuav kub ntawm lub tshuab hluav taws xob qhuav.
2. Tom qab txoj haujlwm tiav tiav txhua hnub, lub tshuab hluav taws xob chav hluav taws xob yuav tsum tau nqus
3. Qhib tag nrho cov li qub thiab tua lub zog tom qab cov dej phwj tuaj
4. Ntxiv cov neeg saib xyuas thiab nruab nrab ntawm tus neeg sawv cev raws sijhawm li Descale lub cub tawg
5. Txheeb xyuas cov pa hluav taws xob tsim hluav taws xob tsis tu ncua kom tsis txhob muaj cov kev laus ncig teb chaws, thiab hloov nws yog tias muaj qee qhov xwm txheej laus.
6. Tsis tu ncua thiab ua kom huv si cov nplai hauv lub ncu hluav taws xob kom tsis txhob muaj kev sib txuam ntawm nplai.