Equipment and devices specially designed to initiate explosions by electrical or non-electrical means, including firing sets, detonators, igniters, boosters and detonating cord, and specially designed components therefor; except those specially designed for a specific commercial use consisting of the actuation or operation by explosive means of other equipment or devices the function of which is not the creation of explosions (e.g., car air-bag inflaters, electric-surge arresters of fire sprinkler actuators);
