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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.
photovoltaic solar cells, photovoltaic solar modules, and photovoltaic solar modules both for producing electricity and for integration into roofing, walls, and other structures of buildings; sun tracking apparatus, namely, programmable controllers and actuators that track the sun enabling concentrating optics to maximize solar energy input; power inverters; building-integrated roofing systems comprised primarily of photovoltaic solar electric power modules, and also containing mounting rails of metal, and cover plates of metal, sold as a unit