9
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 telecommunications networking system for messaging, voice and data communications, and tracking of personnel, equipment, and vehicles, which system is for subterranean use and is comprised of nodes, beacons, handsets, battery backup power source, dispatch station, and related communications software and hardware