Breathing apparatus for divers, namely, buoyancy bladders; Breathing apparatus for divers, namely, compressed air bailout units; Breathing apparatus for underwater swimming; Buoyancy compensator devices for divers; Divers' masks; Diving gloves; Diving goggles; Diving helmets; Diving snorkels; Diving suits; Ear plugs for divers; Nose clips for divers and swimmers; Scuba goggles; Scuba masks; Weight belts for scuba diving