Portable virtual reality system comprised of software, display and tracking components which fit into a compact carrying case for use in academic research, business application design, training, and entertainment

Breathing apparatus in the nature of respiratory masks for non-medical purposes and respirators other than for artificial respiration and structural parts and fittings therefor; exhaust valves, gauges, tubes and hoses, air cylinder supports and harnesses in the nature of head and neck straps all adapted for use with breathing apparatus and for non-medical purposes; signal whistles; respiratory masks and protective face masks for non-medical purposes and for other than for artificial respiration

Environmental testing and inspection services