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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 air pollution control equipment for industrial and commercial use consisting of high voltage and grounded electrodes and mixing devices, and high voltage energization equipment comprised of transformers and controllers; industrial and commercial air pollution control equipment consisting of high voltage and grounded electrodes, mixing devices, and high voltage energization equipment comprised of transformers and controllers, used to reduce air pollution or to extract by-products due to fossil fuel combustion and other industrial processes and applications involving dust collection, and to agglomerate fine particulate to allow their extraction by electrostatic precipitation, fabric filtration, and other methods