Na ndụ kwa ụbọchị, anyị na-ejikarị osisi na-agbanwe bitumen. Gịnị bụ ihe mere adaba ike ịzọpụta mgbe eji ya? Ọzọ, ndị ọrụ anyị ga-enye gị okwu mmeghe dị nkenke. Enwere m olileanya na ọ ga-enyere gị aka ịghọta ngwaahịa ahụ.

Akụrụngwa ndị na-agbanwe bitumen nwere ezigbo nkwụsi ike ọkụ, mgbape mgbape dị ala, mbelata okpomọkụ na njirimara ndị ọzọ. N'ọtụtụ akụkụ, akụrụngwa na-agbanwe bitumen nwere nnukwu uru karịa akụrụngwa bitumen ndị ọzọ.
Ọdịnaya kerosene ma ọ bụ mmanụ ụgbọala dị na bitumen gbazere nwere ike iru 50%, ebe akụrụngwa bitumen a gbanwere nwere naanị 0 ~ 2%. Nke a bụ omume nchekwa nke nwere uru dị mkpa na mmepụta na iji mmanụ ọcha. Naanị site n'ịbawanye ihe mgbaze mmanụ ọkụ iji belata viscosity ọkọlọtọ nke bitumen, bitumen nwere ike ịwụsa ma gbasaa, a na-atụkwa anya na mmanụ ọkụ mgbe ejiri ya mee ihe nwere ike ịpụ n'ime ikuku.
Osisi ndị na-agbanwe bitumen na-atụ aro na enwere ike ịwụsa ngwa emulsion obere mpaghara ozugbo wee gbasaa site n'aka, dị ka ọrụ ndozi olulu obere mpaghara, mgbape mgbape, wdg, na obere ngwakọta oyi chọrọ naanị akụrụngwa bụ isi. Dị ka ihe atụ, a pụrụ iji ite mmiri na shọvel na shọvelụ mechie ma rụkwaa obere ebe mgbawa, ihe ndị na-emezi bitumen na-ejikwa ụzọ a na-arụzi olulu mmiri na-ejupụta oghere ndị dị n’elu okporo ụzọ. Ngwa dị mfe ma dị mfe.