Sei Asphalt Ichifanira Kupiswa

Preheating asphalt inofambisa kuendesa kwayo mumidziyo yekubikisa, kuwedzera kuyerera kwayo.

Uku kuyerera kwakawedzera kunobvumira asphalt kuti ipinde mukati me pores uye nyuchi zvakanyanya, nokudaro kuvandudza zvakanyanya kugona kwayo kudzivirira mvura.