Mavavu agulugufe ang'onoang'ono amagwiritsidwa ntchito kupyola kapena kudula mpweya wotuluka mu payipi yakunyumba, valavu yotsekera mbale, valavu yosindikiza mphete yosindikiza, imagwira ntchito yabwino yosindikiza.
GID mndandanda wamagetsi agulugufe agulugufe amatengera chipangizo chamagetsi chozungulira chamagetsi ndi zamagetsi kuti azindikire kuwongolera kwa valavu yotsegula ndi kutseka kapena malo apakati kudzera pakusintha kwamagetsi akunja kapena chizindikiro chakunja, kuti alumikizane kapena kudula mpweya. vacuum pipeline.Sing'anga yogwirira ntchito ndi mpweya komanso mpweya wosawononga.