Even more serious, the shock caused by the sudden change in air pressure near the propellers causes internal bleeding in small mammals, victims of a phenomenon feared by divers: barotrauma.
Hata mbaya zaidi, mshtuko unaosababishwa na mabadiliko ya ghafla katika hewa shinikizo karibu na panga boyi husababisha kuvuja damu ndani kwa mamalia wadogo, waathirika wa tukio hili na waliogopa mbalimbali: le barotraumatisme.