Zida zosakaniza za asphalt zimagwira ntchito yofunika kwambiri pantchito yomanga misewu. Zidazi zidzatulutsa mpweya wotayirira, fumbi ndi zoopsa zina zapagulu panthawi yopanga. Pofuna kuonetsetsa kuti chilengedwe sichikukhudzidwa, opanga zinthu ayenera kuchitapo kanthu kuti athetse zoopsazi. Gawo lotsatira la nkhaniyi likunena za asphalt Chidziwitso chachidule cha njira zowongolera zoopsa zafumbi muzomera za asphalt zimaperekedwa.

Pogwiritsa ntchito zida zosakaniza za asphalt, kuwononga fumbi kwakukulu kumapangidwa. Kuti tichepetse kuchuluka kwa fumbi, titha kuyamba ndikusintha chomera chosakaniza phula. Kupyolera mukusintha kwa kapangidwe ka makina onse, titha kukhathamiritsa kulondola kwamapangidwe a gawo lililonse losindikiza la makina ndikupangitsa kuti zitheke momwe tingathere. Zida zimasindikizidwa kwathunthu panthawi yosakaniza, kuti fumbi lizitha kuyang'aniridwa mkati mwa zipangizo zosakaniza. Komanso, m'pofunika kulabadira tsatanetsatane wa kukhathamiritsa ntchito mkati zipangizo ndi kulabadira kulamulira fumbi kukhetsa mu ulalo uliwonse.

Kuchotsa fumbi lamphepo ndi imodzi mwa njira zothanirana ndi zoopsa za fumbi mu zida zosakaniza za asphalt. Njirayi ndi yachikale kwambiri, yomwe imagwiritsa ntchito chotolera fumbi chamkuntho pochita ntchito zochotsa fumbi. Komabe, wotolera fumbi wachikaleyu amatha kuchotsa fumbi lochepa chabe. Tinthu tating'onoting'ono ta fumbi, kotero sizingathe kukwaniritsa zofunikira za fumbi. Koma tsopano anthu asintha mosalekeza kwa otola fumbi lamphepo. Magulu angapo a otolera fumbi la mkuntho wamitundu yosiyanasiyana amagwiritsidwa ntchito kuphatikiza kuti amalize kuchiritsa fumbi lamitundu yosiyanasiyana.

Kuphatikiza pa njira ziwiri zomwe zili pamwambazi, zosakaniza za asphalt zitha kutenganso kuchotsa fumbi lonyowa ndikuchotsa fumbi la thumba. Kuchotsa fumbi chonyowa kumakhala ndi mankhwala ochuluka kwambiri a fumbi ndipo amatha kuchotsa fumbi lomwe limawoneka panthawi yosakaniza. Komabe, chifukwa madzi amagwiritsidwa ntchito ngati zopangira pochotsa fumbi, amayambitsa kuipitsa madzi. Kuchotsa fumbi la thumba ndi njira yabwino kwambiri yochotsera fumbi mu chosakaniza cha asphalt. Ndi ndodo fumbi kuchotsa akafuna ndi oyenera zochizira fumbi ndi tinthu tating'ono.