Temperature, pressure, humidity, time, liquid level and flame responsive control valves, switches, and potentiometers; thermostatic regulating and controlling switches; pyrometers; tachometers; operation-recorders; thermometers; wattmeters; electrical measuring and indicating instruments, namely, ammeters, ohmmeters, meter testing instruments, elapsed time meters, galvanometer type on-off indicators; galvanometer type relays; and galvanometer type motors; bridges, resistance standards; galvanometers; photoelectric colorimeters; magnetic permeameters; short-turn coil testers, calibration and test equipment for precise measurement of resistance, voltage, and selected specialties (e.g. color, gas volume, etc.) for primary and secondary standards purposes and wherever these phenomena are part of research data requirements; flow meters; gas analysis instruments and automatic signaling instruments for indicating certain temperatures, pressures and vacuums, speeds, fluid flows, and analogous quantities; radiant energy measuring instruments; electric telemetering apparatus; transducers; magnetic tape recording devices; oscillographs, photographic equipment and accessories namely, cameras, lenses, projectors, electronic flash equipment, exposure meters, filters; thermocouple operated controls, recorders and indicators; flight test recorders; signal converters comprising an air speed, altitude, attitude and/or position responsive sensors for operating switches, valves or potentiometers or the like; scanning systems comprising a signal generator and a receiver for reflected signals from the generator for locating objects; gyroscopes; and electric circuit analyzers such as voltmeters and electric lights having probes for bridging contacts or electric units for testing their operation.

Pilot burners, hot air registers and damper regulators.

Data processing systems, data processing apparatus, data processing equipment, and data processing components, elements and devices namely, arithmetic and control equipment and apparatus, input equipment and apparatus, output equipment and apparatus.

Computers and parts thereof; computer peripheral devices, namely, printers, disc drives, tape drives and terminals; computer software; computer discs, tapes; computer-based control systems.

Analog high speed data acquisition systems for measurement, recording, playback and data reduction; electronic instruments for test installations signal conditioning instrumentation; precision recording instruments, namely, magnetic tape-analog and high density digital records, oscillographs, line scan records, pen recorders, video graphic recorders; customized test equipment systems; indicating, recording and control instruments; relays, control panels; sensors and transmitters for temperature pressure and flow; digital and analogue controllers; programmable controllers and programmers; heat valves; motors, actuators, positioners, control valves.

Inertial, infrared, acoustic and millimeter-wave sensing systems; signal and image processing devices; vehicle and weapon simulators used for training purposes; automatic target recognition and classification systems; guidance and navigation systems for military and commercial vehicles; sonar transducers, sonar acoustic arrays and sonar signal processing equipment; torpedos; combat fire control systems; integrated navigation flight control and display systems; aircraft and missile guidance systems, flight control systems; engine control systems; infrared sensing and imaging systems; millimeter and microwave components; mine neutralization systems, ship positioning and tracking systems; shipboard fire control systems; combat control systems; automated training systems; general purpose consoles; teleprinters.

Computerized catheterization laboratory systems; computerized arrhythmia monitoring systems; physiological monitoring systems; defibrillators; fetal monitors; neonatal monitoring systems; physiological recording systems; ultra imaging scanning systems (real time echo); biomedical test equipment; nurse call stations; physiological recording systems; ECG interpretation systems (computerized); esophageal motility systems; pH monitoring systems.

Computerized building control systems for operation and supervision of mechanical and electrical systems; computerized energy management systems; burglar alarm systems, hold up alarm systems, fire alarm systems, closed circuit television systems; monitoring equipment for protection systems, high security communication equipment; computerized card access systems; computerized fire management systems; computerized lighting control systems; hardwired fire alarm systems; pneumatic, electric and electronic control systems for heating, ventilating, refrigeration, air conditioning and lighting; temperature control systems; building automation systems; fire and security systems; lighting control systems; building communication systems; computerized energy management systems for buildings; time shared computerized building operations service systems; controls for heating, ventilating, refrigeration, and air conditioning applications; electronic air cleaners; thermostats and safety controls for oil, gas and electric furnaces and boilers; electronic ignition devices; programmable thermostats; contactors and relays; humidity controls; flame detectors; energy management control systems for controlling energy consumption in buildings while maintening comfort levels; flame safeguard controls; line voltage thermostats; electric heating controls; medium torque actuators; modulating fan controls; dampers for low leakage applications; hydronic zone valves; power line carrier systems for using power lines to carry analog and digital control signals; load control systems for monitoring electrical demand peaks and consumptions; electronic load shedding systems; radiator valves; water pressure regulating valves; back flow preventers; precision snap-action switches; limit switches; explosion proof/splash proof industrial switches; mercury switches; manual switches and indicators; programmable display pushbuttons; proximity sensors; keyboards - hall effect and capacitance; membrane touch panels; pressure transducers; current sensors; temperature sensors; photoducers; current sensors; temperature sensors; photo-electric controls; solid state switches; electronic and electromechanical control panel timers; time delay relays; air flow sensors; programmable controller based sensor interface device; electric zone valves; controls for regulating the heating and cooling of agricultural installations.

Infrared emmitters; photodetectors; optically coupled idolators; optical switches; fibre optics; optical communication transmitters and receivers; fiber optic data communications products, namely, fiber optic modems, multiplexers, connectors and fiber optic cabling.

Training and instruction of others in the servicing and maintenance of controlling, indicating, measuring, security, switching, data processing, aero-space, and photographic equipment.

Installation, repair and maintenance of controlling, indicating, measuring, security, switching, data processing, aero-space, and photographic equipment.

Providing training programs for users of instruments, third party warranty on instruments; installation of computerized building control systems; engineering services in relation to computerized building control systems; retrofit of existing building control systems for increased efficiency, computer maintenance, conducting marine structure and management studies.

Engine cylinders, cylineder liners and like parts and fittings made from materials containing chromium or having surfaces cosisting of or containing chromium.

Parts of and fittings for vehicles and made from materials containing chromium or having surfaces consisting of or containing chromium.

Operating a retail department store.