Yuav ua li cas kom huv cov khaub ncaws tiv thaiv zoo li qub
1. Cov khaub ncaws tshiab tiv thaiv zoo li qub tuaj yeem ntxuav ncaj qha, thiab cov roj roj uas pom hauv cov khaub ncaws tiv thaiv zoo li qub yuav tsum tau ua tib zoo tshem tawm ua ntej txheej txheem ntxuav.
2. Tshawb xyuas cov khoom siv ntxiv xws li khawb, puas thiab buckles ua ntej ntxuav, thiab kho, hloov lossis muab cov khoom seem.
3. Nws yuav tsum ntxuav, qhuav, thiab ntim rau hauv chav huv nrog qhov muaj qib huv ntau dua li chav huv siv cov khaub ncaws ua haujlwm.
4. Cov dej siv rau kev ntub dej thiab qhuav huv yuav tsum tau lim, thiab cov kuab tshuaj yuav tsum ua kom thoob. Siv lim kua nrog lub qhov pore loj uas tsawg dua 0. 2 μ m ntawm qhov taw tes ntawm kev siv, thiab ua ntau dua ib qho kev lim tawm raws li xav tau.
5. Txhawm rau tshem tawm cov dej-soluble kab mob, tom qab ntxuav nrog dej huv, qhov kawg ntxuav nrog kuab yog ua kom tshem tawm cov dej paug.
6. Cov khaub ncaws ua hauj lwm nrog cov buckles yuav tsum tau ntxuav hauv lub xeev buckled thiab ziab hauv lub tshuab cua kom huv kom ua haujlwm rau kev ntxhua khaub ncaws.