7 [ Electric generators; brakes for machines; centrifugal pumps; centrifugal and axial compressors for machines; compressors for machines; electrical automated welding machines; environmental control apparatus, namely, hydraulic generators for the generation of electricity; high vacuum coating systems for capacitors, namely, high vacuum metallizing machines, for creating a metal coating on plastic film, paper, paperboard substrates, textile surfaces, and non-woven fabrics utilized in a high vacuum environment; machines for producing high vacuum, namely, vacuum pumping machines; machine parts, namely, steam condensers and gas condensers; machinery, namely, steam turbines, gas turbines; pumps as part of machines for industrial applications; rotary and diffusion pumps; cryogenic pumps; electric pumping units comprised of pumping engines and pumping jacks, and winding units in the nature of winding engines; turbo electricity generators; hydraulic and wind turbines; power machines and implements for ships and aircrafts, namely, aircraft and ship engines, and parts thereof, namely, engine bearings, engine camshafts, engine mufflers, motor mufflers, engine rods, internal combustion parts, namely, piston rings and pistons; power transmission gears and belts for ships and aircrafts; machine elements and machine parts for ships and aircraft, namely, machine operated platforms capable of elevation above ground level and used for storage, bearings and bushings, blades, grindstones, hoods, millstones, roller bearings, nozzles which are parts of power-operated sprays, bearing housings, bearing inserts, machine tool holders, cylinders, machines and machine tools for the cutting and forming of materials; motors for ships and aircraft; metal working machinery and implements, namely, machining centers; earth moving machines, namely, backhoes, graders, loaders, scarifiers, scrapers, excavators; power machines and implements, namely, letter sorting machines, envelope sorting machines, power transmission belts for industrial machines, power-operated lubricant dispensers for industrial machines; power transmission gears and belts, other than for vehicles; power-operated buffers, others than for vehicles; braking devices, other than for vehicles, namely, brake linings and discs; electric generators and electric motors for machines; industrial robots; generators for land vehicles; propellers for wind powered electricity generators ]