Tuzi ko ushimishijwe na
valve ya ogisijeni yimukanwa , twanditse ingingo kuri ngingo zisa kurubuga kugirango tworohereze. Nkumukora umwuga, twizera ko aya makuru ashobora kugufasha. Niba ushishikajwe no kwiga byinshi kubicuruzwa, nyamuneka twandikire.