automatic valves capable of cutting off gas supply when flow rate exceeds a predetermined value

Detonating plugs; Detonators; Explosive fuses used in mining; Explosive powders; Explosive primers; Explosives powders; Firearms; Gunpowder; Pyrotechnics; Tinder

Downloadable computer software and firmware for operating system programs; Downloadable software for controlling photographic lighting systems, cinematographic lighting systems, broadcast lighting systems and stage lighting systems; Downloadable software for monitoring and controlling the function and status of other electrical, electronic, and mechanical devices or systems, namely, photographic lighting system, cinematographic lighting systems, broadcast lighting systems and stage lighting s...