9
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.
electromechanical controls, electric or electronic controllers all for use with solar thermal systems, hydronic heating systems, heat pump systems, hydronic heat transfer stations, hydronic fresh water heating systems, and furnaces; control instruments for heating installations, namely, boiler controlled instruments; electric sensors for measuring temperature, flow rate, pressure, position of the sun, intensity of light, and fluid level [; armatures for use in electrical heating apparatus ]
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
[ solar collectors; ] solar pump stations in the nature of solar powered heat pumps; solar heat transfer units being structural parts of water heaters; heating systems for residential and commercial buildings comprised of distribution manifolds for zone control with mixing valves, pumps and gauges [; distribution and control systems for potable water, namely, water purifying units for potable water for domestic, commercial and industrial use and equipment for treating groundwater comprising distribution lines, distribution manifolds, drop tubes, well seals and blowers; thermostatic valves ]