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Within the 55-gallon steel drum is an inner drum of water-resistant fiberboard housing the smoke charge, sound unit, and electric cable. The smoke charge, a pyrotechnic compound of five equal increments, is located at the bottom of the fiber drum in five cotton duck bags. A five-fingered cloth igniter bag is attached to the individual charges. Separated from the smoke charge by a circular chipboard separator is a sound unit consisting of a sound charge in a Kraft paper bag enclosed in a twine-reinforced chipboard cylinder. The sound unit is rolled in several thicknesses of cushioning material for protection during handling and transportation. A 150-foot length of electric cable is stored adjacent to the sound unit but separated from it by a shipping separator. A 14 foot, electric lead between the ends of the cable and the squibs on the sound unit allow the sound unit to be placed at a safe distance from the drum prior to activation. The ends of the cable are also attached. to the squibs in the five-fingered igniter bag. The free ends of the 150-foot cable terminate in two alligator clips. A warning label is attached to the outside ,of each container, and one set of operating instruction is packed inside each container.
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