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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.
ground water sampling pump components, namely, electronic controllers, interface panels used with electronic controllers, flow cells and water flow and level meters, drawdown meters, low flow pump controls; disposable sampling laboratory filters, purge stabilization flow cells, mass fluid flow meters, flow regulators for ground water remediation applications in connection with ground water sampling wells, and landfill gas recovery wells at commercial landfill sites use, control valves for regulating the flow of fluids, laboratory fluid filters used in ground water sampling and remediation, liquid level indicators for use in connection with landfill and ground water remediation wells, and wireless data acquisition systems comprised of hardware, software and wireless transmission components for enabling data storage, data monitoring, wireless transmission of logged data, and control of associated well components for use with landfill and groundwater remediation applications