"' C "': Propellant explosive substance or other deflagrating explosive substance or article containing such explosive substance ( 1.1C, 1.2C, 1.3C, 1.4C ).
2.
The first nonmilitary application for the company's technology was in the Boeing 747 airliner, where a small propellant explosive is used to unfurl the safety chutes that passengers slide down to evacuate the plane after an emergency landing.
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