Tuzi ko ushishikajwe na
valve ya antibacterial iramba , twashyize ku rutonde kuri ingingo zisa kurubuga kugirango tworohereze. Nkumukora umwuga, twizera ko aya makuru ashobora kugufasha. Niba ushishikajwe no kwiga byinshi kubicuruzwa, nyamuneka twandikire.