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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.
scientific measuring instrument, namely, apparatus used for measuring and recording the concentration of carbon dioxide levels in natural aquatic systems including oceans, bays, estuaries, rivers, lakes and in man-made and engineered installations such as waste water treatment plants, carbon capture/sequestration reactors associated with flue gas emissions and swimming pools; scientific instrument used to measure carbon dioxide levels in the atmosphere and as a feedback module for carbon dioxide control systems that seek to hold bodies of water, such as swimming pools, at constant carbon dioxide levels; scientific instrument featuring data communication software for providing data streams about carbon dioxide and other measurements, such as water temperature, air temperature, barometric pressure, relative humidity and gps readings, in natural and man-made aquatic systems