Nau'in jujjuyawar jujjuyawar iska mai zafi shine na'urar bushewa mai sauri da bushewa wanda kamfaninmu na musamman ya ƙera don granular, twig-like, flake-like, da sauran abubuwa masu ƙarfi. Ya ƙunshi sassa shida: tsarin ciyarwa, tsarin watsawa, rukunin ganga, tsarin dumama, cire humidification da tsarin iska mai kyau, da tsarin sarrafawa. Tsarin ciyarwa yana farawa kuma motar watsawa tana juyawa gaba don isar da kaya a cikin ganga. Bayan haka, tsarin ciyarwa yana tsayawa kuma motar watsawa ta ci gaba da juyawa gaba, kayan tumbling. A lokaci guda kuma, tsarin iska mai zafi ya fara aiki, yin sabon iska mai zafi yana shiga cikin ciki ta hanyar ramuka a kan drum don tuntuɓar kaya gabaɗaya, canja wurin zafi da cire danshi, iskar gas ɗin ta shiga cikin tsarin dumama don farfadowa na biyu na zafi. Bayan da zafi ya kai daidai gwargwado, tsarin cire humidification da sabon tsarin iska suna farawa lokaci guda. Bayan isassun musayar zafi, ana fitar da iska mai danshi, kuma iska mai zafi da aka rigaya ta shiga cikin tsarin iska mai zafi don dumama da amfani na biyu. Bayan an gama bushewa, tsarin zazzagewar iska mai zafi ya daina aiki, kuma injin watsawa ya juya zuwa fitar da kaya, yana kammala wannan aikin bushewa.