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flashlights, signalling lights for location indication, bicycle lights, directional lights for vehicles, emergency lights, aquarium lights, floodlights,heat exchangers, heat pipes to cool heat producing components, pen lights, search lights, ultraviolet lamps, heat pumps, High intensity search lights, Infrared lamps, infrared lights, infrared lighting fixtures, automotive headlamps, electric lanterns, electric light bulbs, electric light dimmers, electric light switches, electric lighting fixtures, electric luminaires, electric night lights, electric light fixtures, lanterns, coolant systems, electric candelabras, and electric candles