Breathing apparatus for underwater swimming; Divers' masks; Diving gloves; Diving suits; Dog whistles; Ear plugs for divers; Electronic collars to train animals; Knee-pads for workers; Life jackets; Mouth guards for sports; Nose clips for divers and swimmers; Pedometers; Pince-nez; Protective helmets for sports; Riding helmets; Safety tarpaulins; Sandglasses; Spectacle chains; Protection masks