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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 device for collecting, tracking, monitoring, sensing, reporting, and storing and archiving plow blade position data, including for snow plows; computer hardware containing smart software for reporting plow position and status, internally to any on-board telematics, gps, or avl device or externally to any 3rd party telematics, gps, or avl device self-contained intelligent microprocessor that receives and reports a driver's plow actions to move plow blade into up or down position using pneumatic controls; plow blade control system comprised of a sensor for measuring air pressure and an electrical device for transmitting intelligent electrical signal based on the air pressure data