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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.
devices for monitoring ambient and indoor air quality, namely, ambient meteorological sensors and systems, ambient particulate monitors and samplers, clean room monitors, indicative monitoring devices, indoor air monitoring devices, oem sensors, regulatory monitoring devices, speciation particulate matter monitors and samplers; instrumentation services for monitoring ambient and indoor air quality; custom engineering and manufacturing of products for monitoring ambient and indoor air quality