Usoro mmepụta ihe bụ isi nke ngwakọta asphalt gụnyere dehumidification, kpo oku na mkpuchi nke mkpokọta na asphalt na-ekpo ọkụ. Enwere ike kewaa akụrụngwa mmepụta ya ụzọ abụọ n'ihe gbasara usoro ọrụ: ụdị oge (ịgwakọta na ịgbasa n'otu ite) na ụdị na-aga n'ihu (ịgwakọta na-aga n'ihu na-ebugharị).

Akụkụ ndị a na-eji ekpuchi ikpo ọkụ na-ekpo ọkụ na asphalt na-ekpo ọkụ n'ụdị abụọ a nke ngwa ngwakọta asphalt nwere ike ịdị iche iche, ma a bịa n'ihe gbasara ihicha na ikpo ọkụ, ma ụdị oge na-aga n'ihu na nke na-aga n'ihu na-agụnye otu ihe ndị bụ isi, na ihe ndị bụ isi ha bụ. drọm na-ehicha ihe, ndị na-ere ọkụ, ndị na-eme ihe na-eme ka a na-eme ihe, ihe mkpofu uzuzu na flues. Nke a bụ mkparịta ụka dị nkenke nke ụfọdụ okwu ọkachamara: akụrụngwa akụrụngwa na-agwakọta asphalt nwere akụkụ abụọ dị iche iche, otu bụ drum na nke ọzọ bụ isi ụlọ.
A na-ahazi ụda ahụ na obere mkpọda (na-emekarị ogo 3-4), na-etinye ọkụ ọkụ na njedebe dị ala, na nchịkọta na-abanye na njedebe dị elu nke ụda ahụ. N'otu oge ahụ, ikuku na-ekpo ọkụ na-abanye na drum site na njedebe ọkụ, na efere na-ebuli elu n'ime ụgbọ mmiri ahụ na-atụgharị nchịkọta site na ikuku na-ekpo ọkụ ugboro ugboro, si otú a na-emecha nkwụsịtụ na ikpo ọkụ nke nchịkọta n'ime drum.
Site na njikwa okpomọkụ dị irè, a na-ebufe ihe ndị na-ekpo ọkụ na nke akọrọ na okpomọkụ kwesịrị ekwesị na ihuenyo na-ama jijiji n'elu ụlọ bụ isi, a na-ekpuchikwa akụkụ dị iche iche nke nha dị iche iche site na ihuenyo na-ama jijiji wee daba n'ime ebe nchekwa kwekọrọ, wee banye. ite agwakọta maka ịgwakọta site na nhazi na itule. N'otu oge ahụ, asphalt na ịnweta ntụ ntụ na-ekpo ọkụ nke a tụrụ na-abanyekwa n'ite ngwakọta (mgbe ụfọdụ nwere ihe mgbakwunye ma ọ bụ eriri). Mgbe oge ụfọdụ nke ịgwakọta na tankị ngwakọta, a na-ekpuchi ihe nchịkọta ahụ na oyi akwa asphalt, mgbe ahụ, a na-emepụta ngwakọta asphalt a kwụsịrị.