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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.
instrumentation for monitoring and executing water and wastewater treatment processes, namely, mechanical, pneumatic and electronic control panels, controllers, transmitters, gauges, receivers, tables, samplers, regulators, rate set stations, indicators, turbidimeters, ph meters, consoles, consolettes, programmable logic controllers, programmers, power supplies, cables, computers, monitors, printers, electric valve actuators, data recorders, ultrasonic flow transmitters, autodialers, venturi flow elements, permutubes, insert tubes, flumes, and parts and components therefor
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Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
equipment for filtering municipal, commercial or industrial water and wastewater, namely, plastic filter underdrain blocks, clay filter underdrain blocks, porous plates for supporting media in filters, filter media, gravel for supporting filter media in filters, piping, agitators, supports and stabilizers for piping and agitators, wash troughs, nozzles, effluent troughs, weirs and baffles, weir pans, gates and guides for controlling water flow, valves, specialty filters, pilot filter equipment, blowers and compressors for supplying backwash air to filters, carriage filters, with or without skimmers; sludge collection equipment for wastewater treatment, namely, floating siphon sludge collectors, skimmers and scum troughs; blenders, namely, plow blenders for wastewater sludge treatment; and parts and components therefor