Txhua qhov txuas hauv qhov txheej li asphalt sib tov cov nroj tsuag yog qhov tseem ceeb heev. Yog tias koj tsis saib xyuas me ntsis, koj yuav tsim cov khoom lag luam asphalt nrog cov khoom tsis zoo. Txawm tias kev siv cov tshuaj ntxiv hauv asphalt tov nroj tsuag yuav tsum tau them sai sai rau. Leej twg paub txog dab tsi ntawm cov kev sib ntxiv yog siv hauv asphalt nroj tsuag?

Muaj ntau ntau yam ntxiv ntxiv siv hauv asphalt tov cov nroj tsuag, dej txo cov neeg sawv cev, cov tshuaj tiv thaiv, coagulanes, thiab cov neeg sawv cev nthuav dav. Txhua hom sib txawv ntawm cov quav ntxiv tuaj yeem faib ua cov kev ua haujlwm zoo ib yam thiab ua haujlwm siab, nrog rau cov hom kev sib xyaw. Qhov cuam tshuam tsim tawm kuj txawv. Yog li ntawd, peb yuav tsum hloov kho rau cov xwm txheej tam sim no thiab xaiv cov khoom siv uas tsim nyog thiab muaj txiaj ntsig zoo rau kev txhim kho thiab ua kom luv lub sijhawm tsim kho. !
Thaum muaj ntau yam ntxiv siv ua ke, lawv yuav tsum tau ua tiav raws li qhov sib piv, thiab tom qab ntawd muab nchuav rau hauv cov tshuaj nrog dej tom qab kev sib xyaw. Dab tsi yuav tsum tau sau tseg thaum siv yog qee qhov tshwj xeeb sab nraud ntxiv yuav tsum tau sib xyaw los tiv thaiv teeb meem, yog li tsis txhob tsis saib xyuas lawv.