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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.
wireless data-logger comprising probe and data collector for monitoring test points, such as pressure valves, flow valves, and cathodic test stations, in metal structures, such as underground pipelines, to measure values and record and accumulate data, relating to corrosion and process control such as pressure and flow values, for safe installation and use of such metal structures in oil and gas transmission, gas and electric distribution, water and waste utilities, and by military and other government agencies