SAFETY

Gas masks; filters for non-medical respiratory masks; filters for gas masks; Face shields for protection against fire; protective industrial face shields; lenses for protective face shields; diving and snorkeling masks, straps for diving and snorkeling masks, respirators in the nature of snorkels; marker wings for diving and snorkeling masks; holders for video cameras for diving and snorkeling masks; optical lenses for diving and snorkeling masks; holders for corrective lenses for diving and snorkeling masks; intercommunication apparatus; wireless communication devices for voice, data, or image transmission; air tanks for use in scuba diving; oxygen regulators; breathing apparatus for underwater swimming; gloves for divers; portable computers; computers; global positioning system apparatus; electronic navigational and positioning apparatus and instruments