Txhim kho cov txheej txheem thiab cov khoom siv: Sim ua kom yooj yim ntawm cov txheej txheem pub mis ua ntej cov ntawv siv tshuab kom txo lossis luv cov txheej txheem tsis tsim nyog. Lub kaw lus yuav tsum ntim, uas yog, pearlescent daim npav airtight purification thiab tshuaj ntsuam cov khoom yuav tsum tau siv. Nyob rau tib lub sijhawm, pearlescent daim npav them sai sai rau nquag tso pa tawm ntawm cov huab cua tau kaw hauv qhov kev kaw haujlwm.
Txhim kho cov kua ntws kev ntawm txoj kev tso dej thiab cov dej dawb. Yog li hais tias nws tsis tsim rot thiab slurry, pearlescent daim npav thiaj li tshem tawm cov chaw tuag. Thaum txhim kho lub flange, them sai sai kom ua rau qhov sib koom tes tsis yooj yim mus dai grout. Tsis tas cuam tshuam rau kev ua haujlwm ntawm lub tshuab ntawv, sim ua kom nce tus nqi ntws ntawm txhua ntu ntawm cov khoom siv. Siv cov ntaub ntawv du thiab corrosion-resistant xws li yas, roj hmab, tooj liab, thiab lwm yam.
Siv cov tshuaj fungicides. Chloramines, chlorophenols, pearlescent daim npav thiab cov organic nitrogen chiv thiab cov tshuaj sulfur yog siv los ua cov fungicides. Ib txoj hauv kev zoo dua yog siv cov tshuaj chlorine uas muaj rau kom tsis muaj kab mob hauv cov txheej txheem kev kho dej. Feem ntau, cov tshuaj chlorine ua tau zoo tuaj yeem tswj hwm kev loj hlob ntawm cov kab mob. Rau cov kab mob tshwj xeeb tawv ncauj, thaum siv tshuaj chlorine zoo siv rau kev ua kom tsis muaj menyuam, daim pearlescent daim ntawv xav tau tuaj yeem ua tiav los ntawm kev thov cov fungicides tsim nyog. Ua kom huv cov ntawv qhwv ntsej muag kom tsis tu ncua kom lub zog huv si. Koj tseem tuaj yeem siv txoj kev daws teeb meem rau kev tu kom huv.