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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.
electronic integrated control systems for use in the field of managing open pit and underground mining operations, comprising a central digital computer, circuit boards, power supplies, processors, electronic field display panels for installation in trucks, shovels, crushers, and related mining equipment used remotely within a mine, associated software, modems, and radio transceivers for linking said electronic field panels to said digital computer using global positioning, and for receiving and displaying information from said electronic field panels on the central digital computer