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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
electrical power distribution systems that provide electrical power upon detection of occupants in a room or activation of room lighting comprised of electrical power usage control circuit boards, electrical power distribution units, electrical receptacles, electrical switches and motion detectors; kits for assembling electrical power distribution systems that provide electrical power upon detection of occupants in a room or activation of room lighting comprised of electrical power distribution units, electrical receptacles, lighting panel control boards, electronic circuits, occupancy sensors, namely, electronic devices which detect the presence of occupants and control the lighting system accordingly, light sensors and wireless receivers; modular electrical power distribution systems that provide electrical power upon detection of occupants in a room or activation of room lighting comprised of electrical power usage control circuit boards, electrical power distribution units, electrical receptacles, electrical switches and motion detectors