7 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; magnetic stirring 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; concrete mixing machines; mixing machines for synthesizing rubber and plastic for tires; extruding machines for rubber for tires and plastic, namely, injection molding machines; gilt coating machines; plasma etching machines; spray painting industrial robot; welding industrial robot; material handling robot, namely, palletizing robot; master-slave manipulator machines for robots; electric welding 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; drills, namely, hand-held electric drills; pressure crystallization machines for nuclear waste storage; weaving machines; municipal refuse shredding equipment, namely, paper and wood shredding machines; rough terrain cranes; noise insulation equipment and 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; electric welding machines comprising nozzle, carriage and electrodes; arc ion plating machines; and portable electrically ignited cutting torches