Ivanga ryiza rya asfalt yo mu rwego rwo hejuru ntirihagije gusa kugira ireme ryiza, ariko kandi ifite uburyo bukwiye bwo kuyikoresha neza. Reka ngusobanurire imikorere yimikorere ya asfalt ivanze nawe.

Ibice byose byo kuvanga sitasiyo ya asfalt bigomba gutangira buhoro buhoro. Nyuma yo gutangira, imiterere yakazi ya buri kintu hamwe nuburyo bwo kwerekana kuri buri buso bigomba kuba bisanzwe, kandi umuvuduko wa peteroli, gaze namazi bigomba kuba byujuje ibisabwa mbere yo gutangira akazi. Mugihe cyakazi, abakozi barabujijwe kwinjira mububiko no munsi yindobo yo guterura. Kuvanga ntibigomba guhagarikwa mugihe byuzuye. Iyo habaye ikosa cyangwa umuriro w'amashanyarazi ubaye, amashanyarazi agomba guhita ahagarikwa, agasanduku ka switch kagomba gufungwa, beto iri mu kuvanga ingoma igomba guhanagurwa, hanyuma ikosa rigomba kuvaho cyangwa amashanyarazi akagaruka. Mbere yuko mixer ifungwa, igomba kubanza gupakururwa, hanyuma guhinduranya imiyoboro hamwe na buri gice bigomba gufungwa bikurikiranye. Isima iri mu muyoboro wa spiral igomba gutwarwa burundu, kandi nta bikoresho bigomba gusigara muri iyo miyoboro.