Gaadhi-qaadiyaha fur-fure ama qaad-qaadiyaha auger waa farsamad adeegsata daab-daab-daab-wareeg ah, oo loo yaqaan "duulid", badiyaa gudaha tuubbada, si loo dhaqaajiyo dareeraha ama walxaha granular.Waxaa loo adeegsadaa warshado badan oo wax ka qabadka.Gaadiidleyda wershedaha casriga ah waxaa inta badan loo adeegsadaa si toosan ama u leexleex yar sida hab wax ku ool ah oo lagu dhaqaajiyo agabka adag, oo ay ku jiraan qashinka cuntada, jajabyada alwaaxyada, isku-darka, badarka, quudinta xoolaha, dambaska kululeeyaha, hilibka, iyo cuntada lafaha, dawladda hoose. qashinka adag, iyo qaar kale oo badan.