Birashoboka ko uri valve kumeza ya silicone igura umuyobozi, ushakisha valve nziza cyane kumeza ya silicone harimo uwabikoze wabigize umwuga & utanga ibicuruzwa bishobora kubahiriza ibyo ukeneye. Ntabwo ari valve gusa kumeneka gusa , twatanze ibyemezo byindangamiryango mpuzamahanga, ariko turashobora kandi guhura nibyo ukeneye. Dutanga serivisi kumurongo, mugihe mugihe kandi urashobora kubona ubuyobozi bwumwuga kuri valve kubikorwa bya silicone . Ntutindiganye kuganiraho natwe niba ushishikajwe na valve kubikorwa bya silicone bifatika , ntituzagutererana.