Tugomba gusuzuma ikimenyetso cya peteroli mbere yo gukoresha ibikoresho byahinduwe na asfalt, none twabigenzura dute? Kugirango byorohereze abakoresha gusobanukirwa ubumenyi bwibicuruzwa birambuye, umwanditsi azakumenyesha muri make ingingo zubumenyi zijyanye nawe.

1. Nyuma yo gukoresha ibikoresho byahinduwe bya asfalt, ugomba kugenzura ikimenyetso cyamavuta kenshi. Uruganda rwa colloid rugomba kongeramo amavuta rimwe kuri toni 100 za asfalt yakozwe. 2. 3. Umukungugu uri muri guverinoma ishinzwe kugenzura ugomba gukurwaho rimwe mu mezi atandatu. Umukungugu urashobora gukurwaho hamwe nu mukungugu kugirango wirinde umukungugu kwinjira mumashini no kwangiza ibice byimashini. 4. Ibikoresho byahinduwe bya asfalt, pompe zo kugemura nizindi moteri na kugabanya byose bigomba kubungabungwa hakurikijwe amabwiriza. Kongera imikorere yibikoresho.
Ingingo zubumenyi zijyanye nibikoresho byahinduwe bya asfalt byerekanwe hano. Nizere ko ibivuzwe haruguru bishobora kugufasha. Urakoze kubireba no gushyigikirwa. Niba ufite ikibazo cyangwa ushaka kugisha inama, urashobora guhamagara abakozi bacu, kandi tuzagukorera n'umutima wawe wose.