Snorkels; Air tanks; Breathing apparatus for divers, namely, compressed air bailout units; Breathing apparatus for underwater swimming; Divers' masks; Diving goggles; Ear plugs for divers; Goggles for sports; Life jackets; Magnetic encoded identification bracelets; Oxygen regulators; Regulators for scuba diving; Scuba diving masks; Self-rescue apparatus, namely, oxygen breathing units; Swimming face masks; Underwater breathing apparatus