Tam sim no nyob rau ntawm lub chaw tsim kho, suav nrog kev tsim kho kev tsim kho tshuab, ib qho ntawm cov khoom siv siv yog asphalt tov cog. Nws tuaj yeem hais tias nws tuaj yeem siv rau ntau qhov sib xws thiab cov teb, thiab nws tuaj yeem muab qee yam kev pab rau kuv lub teb chaws cov qauv kev tsim kho. Ntawm chav kawm, hauv cov txheej txheem ntawm kev siv, nws yog ib qho tsim nyog los ua txoj haujlwm zoo hauv ntau qhov, yog li siv cov chaw nres tsheb sib xyaw tuaj yeem muaj kev txhawj xeeb dua.

1. Tswj cov txheej txheem kev ua haujlwm ua haujlwm
Qhov tseeb, nws tsis yog tsuas yog siv sijhawm li asphalt sib tov cog, tab sis kuj nyob rau hauv kev siv lwm yam khoom siv. Nws yuav tsum ua kom zoo. Nws tuaj yeem hais tias cov khoom cog no yuav muaj qee cov kev phom sij. Yog tias muaj kev saib tsis taus, nws kuj tseem tuaj yeem ua rau poob zoo. Yog li ntawd, lub sijhawm no, nws tseem tsim nyog kom them sai sai rau cov kev qhia kom raug thiab ua raws cov txheej txheem theem ntawm kauj ruam. Tsuas yog nyob rau hauv txoj kev no tuaj yeem siv nws tau siv kev nyab xeeb thiab lwm yam teeb meem siv tau cov teeb meem siv tau zoo.
2. Kho cov kev sib xyaw tsim nyog
Hauv daim ntawv thov asphalt sib tov cog, qhov tseem ceeb tshaj plaws thiab theem tseem ceeb yog qhov sib xyaw. Qhov sib xyaw sib xyaw ntawm cov ntaub ntawv raw yuav tsum muaj cov ntau yam tsim nyog thiab ua tiav raws li cov kev xav tau tiag tiag. Tsis txhob ntxiv lossis txo cov khoom nyoos ntawm yuav raws li koj tus kheej xav tau. Cov haujlwm no tsis tau ua. Tsis tas li ntawd, tom qab ua tau zoo sib xws, koj yuav tsum tau them nyiaj rau kev tiv thaiv kev nyab xeeb thaum ua haujlwm.
Asphalt sib tov kuj yog ua lub luag haujlwm tseem ceeb. Yog tias koj xav kom siv cov kev sib xyaw ua ke thiab kev txhawj xeeb ntau dua thaum siv nws thiab muaj qee qhov kev nkag siab ntawm cov kev ceev faj no. Tsuas yog nyob rau hauv txoj kev no koj tuaj yeem paub tseeb tias yuav muaj lwm yam teeb meem siv thiab paub txog kev nyab xeeb ntawm cov khoom sib xyaw.