Breathing apparatus for divers, namely, buoyancy bladders; Breathing apparatus for divers, namely, rebreathers; Divers masks; Divers' masks; Diving equipment, namely, helmets; Diving equipment, namely, protective diving shoes; Diving gloves; Diving goggles; Diving suits; Ear plugs for divers; Electrical annunciators; Electron microscopes; Eye glasses; Life jackets; Scuba snorkels; Speaker enclosures