6
ALUMINUM, STEEL, TITANIUM AND ZINC PRODUCTS; NAMELY, ALUMINUM EXTRUSIONS, ALUMINUM AND ZINC DIE CASTINGS; EXPANSION JOINTS FOR USE IN AEROSPACE DUCTING
7
JET ENGINE COMPONENTS; NAMELY, AIR AND EXHAUST DUCTING, FRONT, MID AND REAR FRAMES; FRACTIONAL AC AND DC MOTORS; INDUSTRIAL CENTRIFUGES, CONDENSERS, DEWATERING PRESSES AND CHECK VALVES FOR USE IN STEAM TURBINES, FEEDWATER HEATERS AND HEATING SYSTEMS AND BELLOWS
9
ELECTROACOUSTIC SYSTEMS; NAMELY, SONAR AND DOPPLER SENSOR, DEPTH SOUNDERS, DOCKING UNITS, NAVIGATIONAL AIDS; NAMELY, DOPPLER SONARS, AND UNDERWATER TELEPHONES; THERMISTORS, OVERCURRENT PROTECTORS, OVERTEMPERATURE PROTECTORS, TEMPERATURE COMPENSATION CONTROLS; THERMISTOR PROBES AND PARTS THEREFOR; ACTUATORS; INSTRUMENTS TO MEASURE, CONTROL AND RECORD PRESSURE, TEMPERATURE FLOW AND LEVEL OF FLUIDS
11
HEAT TRANSFER EQUIPMENT; NAMELY, SHELL AND TUBE HEAT EXCHANGERS, REFRIGERATION UNITS, FILTRATION EQUIPMENT FOR THE SEPARATION OF SOLIDS AND FLUIDS; NAMELY, INDUSTRIAL PLATE FILTERS, FILTER MEDIA; NAMELY, VACUUM FILTER BELTS, PRESSURE LEAF FILTER BAGS, CENTRIFUGE BAGS AND LINERS, AND WET SCRUBBERS
21
SYNTHETIC MONOFILAMENTS FOR USE IN PAINT AND PERSONAL CARE BRUSHES
37
CUSTOM FABRICATION OF METAL PRODUCTS TO THE ORDER AND SPECIFICATION OF OTHERS
42
DESIGN, ANALYSIS AND TESTING OF COMPOSITE MATERIALS AND STRUCTURES