Txhawm rau kom muaj kev ua haujlwm zoo ntawm bitumen decanter cov cuab yeej siv, kev saib xyuas lub neej, kev saib xyuas thiab kho kom zoo. Cov hauv qab no yog cov kauj ruam kev tu xyuas thiab kev kho:
Ua ntej, nws yog ib qho tsim nyog los kuaj xyuas ntau qhov ntawm bitumen decanter, suav nrog cov khoom siv cua kub, cov kav dej kub, thiab lwm yam. Yog tias muaj teeb meem tshwm sim, lawv yuav tsum tau kho lossis hloov tam sim ntawd.
Thib ob, sab hauv ntawm bitanter cov cuab yeej siv tsis tu ncua kom tsis txhob muaj plua plav muaj feem cuam tshuam txog cov haujlwm ib txwm ntawm cov khoom siv. Koj tuaj yeem siv cov dej siab lossis lwm yam cuab yeej ntxuav kom huv, thiab nco ntsoov tias cov cuab yeej siv tau ua tiav ua ntej pib ua haujlwm tom ntej.
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Ib qho ntxiv, nws tseem tsim nyog yuav ua kom ntub cov khoom tseem ceeb ntawm bitanter Cais cog. Qhov no tuaj yeem pab txo kom txo qis thiab hnav thiab txuas ntxiv lub neej pabcuam ntawm cov khoom siv. Nws tseem yog ib qho tseem ceeb heev kom tsis tu ncua tswj cov hluav taws xob cov khoom siv. Cov xov hlau, hloov pauv thiab lwm cov khoom siv hluav taws xob yuav tsum tau kuaj xyuas kev ua haujlwm kom tsim nyog, thiab qhov teeb meem yuav tsum tau kho lossis hloov hauv lub sijhawm.
Hauv ntej, dhau los ntawm kev saib xyuas thiab kho kom zoo, nws tuaj yeem ua kom muaj txiaj ntsig uas cov khoom siv bitanter ib txwm khaws cia ua tau zoo, yog li txuas tau nws lub neej thiab txhim kho kev ua haujlwm.
