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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.
electrical instruments, namely, monitors, transmitters and controllers for ph/orp sensors; electrical monitors, transmitters and controllers for fluid conductivity sensors; monitors, transmitters and controllers for temperature sensors; electrical monitors, transmitters and controllers for pressure sensors; monitors, transmitter, controllers and accumulators for liquid flow sensors; and electrical monitors, transmitters and controllers for liquid level sensors and chlorine, dissolved oxygen, turbidity; all of the foregoing for use only in connection with industrial applications and facilities