Ọrụ nke ụlọ ọrụ na-agwakọta asphalt ga-efu nnukwu ego, gụnyere ịzụrụ ngwá ọrụ, mmezi, ngwa ngwa, oriri mmanụ, wdg. Ya mere, anyị ga-echekwa ọnụ ahịa ọnụ ahịa dị ka o kwere mee ka anyị na-ahụ na ọ dị irè nke ngwakọta asphalt. Otu esi eme nke a kpọmkwem.
Mbụ niile, anyị ga-ahọrọ a ika nke asphalt igwekota osisi. Anyị ga-emerịrị nyocha ahịa nke ọma tupu ịzụrụ ma kpachara anya mgbe ịzụrụ. Anyị ga-ahọrọ a ika igwe na ọzọ na-ekwe nkwa mgbe-ire ahịa mmezi ọrụ na akụkụ ọkọnọ, na ika akụrụngwa mmepụta ụlọ ọrụ ga-adị njikere mgbe n'ichepụta. Enyere nlebara anya zuru oke na njikwa njikwa ọnụ ahịa.
Mmanụ ụgbọala bụ ego a na-eri n'oge a na-ewu ihe ọkụkụ na-agwakọta asphalt. Ya mere, nchekwa ike na oke arụmọrụ ọ bụghị nanị na-echekwa ụgwọ ọrụ maka akụrụngwa, na-akwalite mmepe nke ụlọ ọrụ ma melite arụmọrụ, ma na-enyekwa onyinye kwesịrị ekwesị maka mbelata ikuku na nchedo gburugburu ebe obibi, na-eburu ibu ọrụ akụ na ụba, gburugburu ebe obibi na ọha mmadụ. ibu ọrụ iji nweta mmepe na-adigide.
Tụkwasị na nke ahụ, ọ dị mkpa iburu n'obi na ma ọrụ nke igwe nwere ike ịba ụba na-adabere n'ókè dị ukwuu na nkà ọrụ nke onye ọrụ. Onye na-arụ ọrụ nwere nkà nwere ike ịbawanye mmepụta ihe karịrị 40%, na-ejigide nkwụsi ike nke igwe, ma na-ebuli ikike mmepụta ihe. Nke a bụkwa nkwalite ọnụ ahịa.