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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.
optical transmission equipment and apparatus, namely, optical fibers, optical fiber cables, and optical connectors; optical transmission equipment systems, composed primarily of central office/head end equipment, namely, multi-access modular units and optical fiber jumpers, local convergence point equipment, namely, optical fiber management cabinet that is composed of central hub, adapter interfaces, and routers, optical fiber signal splitters and optical fiber management units, and signal distribution equipment, namely, optical fibers and optical fiber cables