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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.
security, fire and burglar alarm systems used in assisted living facilities, apartments, and condominiums, comprised of fire alarms, personal security alarms, and burglar alarms, smoke detectors, emergency pullcords and pendants, dome lights, auxiliary alarm horns, digital displays, printers, magnetic door locks, building access controls and switches, wireless call buttons, portable radios, pagers, batteries, and surge protectors