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Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
chemicals for use in the treatment of industrial and commercial water systems, industrial and commercial fuels and fuel processing systems, and industrial cleaning, passivation, and conversion coating treatment of metal and plastic surfaces and metal processing systems
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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.
electronic water and process treatment control, namely, apparatus for use in the treatment and commercial and industrial water systems, pulp and paper processing systems, fuel processing systems, and metal processing systems, namely, to analyze the chemistry of the system, determine the proper treatment program, apply the desired treatment and monitor the effectiveness of the treatment