This industry comprises establishments primarily engaged in manufacturing navigational, measuring, electromedical, and control instruments. Examples of products made by these establishments are aeronautical instruments, appliance regulators and controls (except switches), laboratory analytical instruments, navigation and guidance systems, and physical properties testing equipment. Manufacturing global positioning system (GPS) equipment--are classified in Industry 334220, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing; Manufacturing motor control switches and relays (including timing relays)--are classified in Industry 33531, Electrical Equipment Manufacturing; Manufacturing switches for appliances--are classified in Industry 33593, Wiring Device Manufacturing; Manufacturing optical instruments--are classified in Industry 33331, Commercial and Service Industry Machinery Manufacturing; Manufacturing equipment for measuring and testing communications signals--are classified in Industry Group 3342, Communications Equipment Manufacturing; Manufacturing glass watch and clock crystals--are classified in Industry 32721, Glass and Glass Product Manufacturing; Manufacturing plastics watch and clock crystals--are classified in Industry 32619, Other Plastics Product Manufacturing; and Manufacturing medical thermometers and other nonelectrical medical apparatus--are classified in Industry Group 3391, Medical Equipment and Supplies Manufacturing.
Analytical Laboratory Instrument Manufacturing
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