Muviri wekubvisa mvura unoumbwa nescuru axis ine fixing nekufamba ma plates akapindirana, sezvo mukati mescrew axis yakakura kudarika ndiro inofamba, ndiro inofamba inoita denderedzwa nescrew axis kudzivirira kuvhara.Nzvimbo pakati pekugadzirisa uye kufamba mahwendefa inova diki uye diki pamwe negwaro rekubuda kwedhaka.Mushure mekugadzirisa simba regiravhiti, sludge inotakurwa kuenda kune dehydration zvikamu, iyo inobvisa pasi pekumanikidzwa kwemukati kweoutlet back plate.