Birashoboka ko uri inguni ya spray ifite umufuka-on-valve ingumi zifatika zifite imifuka-kuri-valve , na jincheng aerosol niyibikoresho byumwuga & utanga ibishobora kuzuza ibyo ukeneye. Ntabwo ari uguhindura gusa hamwe numufuka-kuri valve twakoze ibyemezo byitabire byindangamiryango mpuzamahanga, ariko turashobora kandi kubahiriza ibyo ukeneye. Dutanga serivisi kumurongo, ku gihe kandi urashobora kubona ubuyobozi bwumwuga muburyo bwo guhindura imifuka hamwe numufuka-kuri-valve . Ntutindiganye kumvikana natwe niba ushishikajwe no guhindura imifuka hamwe numufuka-kuri-valve , ntituzagutererana.