Birashoboka ko uri amarangi arambuye umuyobozi ugura valve nziza, kandi urashaka indangarugero nziza irambuye , na jincheng aerosl Varogen nubusabane bwabigize umwuga & utanga bushobora kuzuza ibyo ukeneye. Ntabwo harambuye valve yashushanyije gusa twatanze ibyemezo byindangamiryango mpuzamahanga inganda, ariko turashobora kandi guhura nibyo ukeneye. Dutanga serivisi kumurongo, mugihe mugihe kandi urashobora kubona ubuyobozi bwumwuga kubyerekeye valve irambuye . Ntutindiganye kumvikana natwe niba ushishikajwe no gushushanya valve , ntituzagutererana.