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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.
water testing kit comprised of water testing instrumentation, and accessories in the nature of chemical tests for lead, nitrates, ph, water hardness, chlorine, copper, iron, bacteria, and pesticides, sold as a unit for monitoring and detecting contaminants