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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.
detectors, scanners, gauges, sensors, and meters for industrial purposes, namely, proximity detectors, metal detectors, scanning hot metal detectors, optical beam detectors for edge detection and positioning of hot and cold metals, heat detectors, infrared detectors, optional position scanners, laser scanners, laser based gauges for gauging the thickness of molten and formed metals, laser based length measuring gauges, camera level sensors for sensing the level of molten metal in a furnace, laser distance meters, laser triangular meters and laser distance meters