In the year 1943, Jacques Cousteau and Emile Gagnan invented the aqualung. It is trademark equipment that allows the divers to breathe under water. The divers wear the oxygen cylinder on their back that supply air to their lungs.
In the year 1943, Jacques Cousteau and Emile Gagnan invented the aqualung. It is trademark equipment that allows the divers to breathe under water. The divers wear the oxygen cylinder on their back that supply air to their lungs.