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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.
computer hardware, namely, data acquisition, process control and monitoring systems comprising video and digital cameras, scanners, cables, keyboards, trackballs, mice and video monitors, all for use in connection with controlling or monitoring water and sewage systems, pipeline, oil production, irrigation and canal systems and other environmental systems; and interfaces, namely, input/output interfaces and changers and bus interfaces to connect computers, all for use in connection with controlling or monitoring water and sewage systems, pipelines, oil production, irrigation and canal systems and other environmental systems