Fire blankets and fire extinguishers; Fire extinguishing apparatus; Pocket fire extinguishers; Fire-extinguishing systems; Fire hose; Fire hose nozzles; Fire pump control valves; Valves being parts of fire sprinklers; Carbon dioxide discharge valves for use in fire suppression systems; Release valves and switches for use in carbon dioxide fire suppression systems; Lock-out valves and switches for use in carbon dioxide fire suppression systems; Sprinkler heads for fire sprinklers; Fire alarm a...