Metal cutting machines; metal strip rolling machines; dirt reduction machines, namely, water cleaning systems for removing dirt and salt of sea water from water separators, and vacuum cleaning systems for removing dirt and dust from waste disposal machines, comprised of filters; continuous metal casting machines; rolling mills and rollers for rolling mills; metal extruding machines; press machines, namely, industrial machine presses; extrusion press machines; forging presses; upsetter, namely, an industrial machine forging unit with mechanical presses; hot and cold isostatic press machines; wire drawing machines; mineral processing machines, namely, crushing machines, grinding mill machines, vibrating screen separators, feeding machines, pressure container vessels, heat exchangers, vaporizing machines, gas separation machines, reformer tubes, replacement valves, compressors and gas expanders; pumps, namely, centrifugal pumps, reciprocating pumps, rotary pumps, axial flow pumps, and mixed flow pumps; gas turbine generators, rotor shafts and turbine blades; rubber processing equipment, namely, tire curing machines, tire uniformity machines, tire testing machines, and tire shaping machines; plastic processing equipment, namely, palletizing machines and bead winding machines; foundry machines, namely, die casting machines; mixing machines for synthesizing rubber and plastic for tires; extruding machines for rubber for tires and plastic, namely, injection molding machines; plasma etching machines; hydraulic excavators; electric mining shovels and parts thereof, namely, drag lines; floating crane machines; pile drivers; bucket wheel excavators; cranes; wheel loaders; continuous unload conveyors; pressure crystallization machines for nuclear waste storage; municipal refuse shredding equipment, namely, paper and wood shredding machines; rough terrain cranes

Welding electrodes; electrode wire for welding; electrical transformers for use with electric welding machines; computer systems comprised of computers, integrated circuits and electric circuit boards, for use with welding machines, machine tools, rubber processing equipment, waste and sewage treatment equipment, mineral processing equipment, and plastic processing equipment; real-time computer operating systems for use with welding machines, machine tools, rubber processing equipment, waste and sewage treatment, mineral processing equipment, and plastic processing equipment; monitoring system, namely, computer software and related computer components for monitoring welding machines, machine tools, rubber processing equipment, waste and sewage treatment equipment, mineral processing equipment, and plastic processing equipment; telemeters; electronic surface inspection machines; electronic control equipment, namely, computers for controlling waste and sewage treatment equipment and air-gas production equipment; electronic scientific measuring and checking equipment, namely, altimeters, oscilloscopes, voltmeters, hygrostats, thermostats, glass instruments for experimental use, namely, spectrographs and microscopes, and porcelain instruments for experimental use, namely, stills for laboratory experiments and electrostatic coating machines; noise level measuring and analytical units, for reducing noise from industrial machines, road work construction machines and tunnel work construction machines, comprised of acoustical metal and plaster, and replacement parts therefor

Sodium oxide and nitrogen oxide removal machines, namely, desalination machines, disinfectant apparatus, and distillation apparatus; incinerators; industrial furnaces; furnace boilers; water and air pollution control equipment, namely, reverse osmosis equipment, cavitators, air washers, heating apparatus, suspension preheaters, cooling apparatus, drying apparatus, and liquefiers; cryogenic equipment sold as a unit, namely, cryogenic refrigerators, storage tanks, pumps, temperature measuring units, evaporators, condensers, heat exchangers, and pump chillers, for industrial use; filters for water and air cleaning machinery; rotary kilns; desalination units; apparatus for use in fermentation installations; induction units, namely, heaters; evaporators and evaporative cooling towers for use with furnaces, liquids and water; waste and sewage treatment equipment, namely, filters, agitators, dryers, absorbers, absorption collectors and dissolvers; and solid waste treatment equipment, namely, liquefiers

Maintenance and repair of apparatus and instruments for scientific measuring and checking, namely, altimeters, oscilloscopes, voltmeters, hygrostats, thermostats, glass instruments for experimental use, namely, spectrographs and microscopes, and porcelain instruments for experimental use, namely, stills for laboratory experiments; installation, maintenance and repair of equipment for use with waste and sewage treatment, steam and electric heating, steam generation, refrigeration, drying, ventilating, water supply and sanitary waste processing; maintenance and repair of computer hardware; maintenance and repair of metal working machines and of the controls, motors and compressors for said equipment; installation, maintenance and repair of construction equipment, namely, excavators and compressors; building construction services; and rental of construction equipment