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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.
burner management and ignition systems used for industrial heaters in the oil and gas industry; namely, systems with remote monitoring capabilities for monitoring and re-lighting industrial heater flames if extinguished, comprised of a hot surface igniter, electronic controller with enclosure, battery, solar panel with bracket, a resistance temperature detector, choice of an ion flame rod or of cadmium sulfide flame detection, low watt solenoid valves that carry pneumatic signals to valves based on the status of a monitored flame, and any combination of safety devices, namely, watch dog timers, fail safe solenoids, emergency shutdown switches