Explosive and firing control systems, namely, percussion caps and detonation caps, detonators, detonating fuses, detonating devices, namely, detonating plugs, fuses and explosive primers; control and operational equipment, namely, percussion caps and detonation caps, detonators, detonating fuses, detonation devices, namely, detonating plugs, fuses and explosion primers, grenade and rocket launchers, structural components of cannons, namely, trunnions, detonators, namely, firing lanyards, firi...