1. Ntxuav cov ntaub ntawv sab hauv: Tom qab siv, ntxuav cov ntaub ntawv uas tseem ceeb hauv lub tshuab ziab khaub ncaws kom tiv thaiv cov khoom ntxiv thiab agglomeration.
2. Tshawb xyuas cov paddles: Tshawb xyuas cov ris ntawm cov paddles tsis tu ncua thiab hloov lawv nrog cov tshiab yog tias tsim nyog.
3. Ntxuav cov khoom cua sov: ntxuav cov cua sov ua ntu zus los tiv thaiv cov khoom nplaum thiab cov ntsuas thiab txhim kho cua sov ua tau zoo.
4. Tshawb xyuas cov ntsaws ruaj ruaj: Txheeb xyuas kev sib khi ua tau zoo ntawm txhua lub foob tsis tu ncua thiab hloov cov ntsaws ruaj ruaj yog tsim nyog.
5. Ntub dej feem: ntub cov kabmob, cov zog thiab lwm yam tsis tu ncua kom txo tau kev hnav.
6. Tshawb xyuas cov txheej txheem kev tshem tawm: Xyuas kom meej tias cov condensate tuaj yeem raug tso tawm kom tsis txhob raug thim rov qab mus rau lub tshuab ziab khaub ncaws.
7. Txheeb xyuas cov hluav taws xob: Tshawb xyuas cov xaim hluav taws xob thiab cov khoom siv hluav taws xob tsis tu ncua kom ntseeg tau tias hluav taws xob kev nyab xeeb.
