7 MACHINES FOR THE TREATMENT, PROCESSING, AND PRODUCTION OF METALS AND PLASTICS, NAMELY, MILLING MACHINES AND GRINDING MACHINES, AND MACHINES UTILIZING ROTATIONAL MOTION FOR HIGH ENERGY SURFACE FINISHING AND MATERIAL TREATMENT, IN PARTICULAR, HEAVY, MEDIUM AND LIGHT SECTION ROLLING MILLS, COLD AND HOT MILLS, STRIP AND WIDE STRIP MILLS, PLATE AND SHEET MILLS, BLOOMING, SLABBING AND BILLET MILLS, UNIVERSAL MILLS, PLANETARY MILLS, MULTI-PURPOSE COLD MILLS, ROD, BAR AND TUBE MILLS, CONTINUOUS MILLS, REVERSING MILLS, PILGRIM MILLS, DETACHING MILLS AND MILLS FOR THE ROLLING OF STEEL, IRON, ALUMINUM AND COPPER OR FOR THE ROLLING OF ALLOYS OF THE SAME, AND STRUCTURAL PARTS FOR THE AFOREMENTIONED ROLLING MILLS; ROLLING MILLS FOR WIRE, STEEL ROD ROLLING MILLS, BLOOM ROLLING MILLS, RAIL ROLLING MILLS, AND SECTION ROLLING MILLS, WIRE DRAWING MACHINES, WIRE RING PRESSES, WIRE REELING MACHINES; MACHINES FOR MANUFACTURING, PROCESSING AND WORKING SEAMLESS AND WELDED METAL PIPES, NAMELY, PIPE EXPANDING MACHINES, LARGE PIPE MANUFACTURING MACHINES, HOT AND COLD PIPE ROLLING MILLS, PRESSES, IN PARTICULAR, EXTRUSION PRESSES, IMPACT EXTRUSION, COLD EXTRUSION AND BACK-FLOW EXTRUSION PRESSES, CABLE SHEATHING PRESSES, STRAIGHTENING AND BENDING PRESSES, PLATE SHAPING PRESSES, DEEP-DRAWING PRESSES, MULTI-STAGE PRESSES, HYDRAULIC METAL POWDER PRESSES, AND STRUCTURAL PARTS THEREFORE; FORGING MACHINES, IN PARTICULAR, OPEN-DIE FORGING MACHINES, AUTOMATIC FORGING HAMMERS, FORGING PRESSES, PIERCING PRESSES AND COUNTER BLOW HAMMERS, AND STRUCTURAL PARTS FOR THE AFOREMENTIONED FORGING MACHINES; CASTING MACHINES, IN PARTICULAR, CONTINUOUS STEEL SLABCASTING MACHINES AND MACHINES FOR THE CONTINUOUS CASTING OF METALS, PLASTIC EXTRUSION AND PLASTIC MOLDING MACHINES, AND STRUCTURAL PARTS FOR THE AFOREMENTIONED CASTING MACHINES; ELECTRICITY GENERATORS, NAMELY, POWER GENERATION MACHINES FOR ROLLING, PRESSING, FORGING AND CASTING INSTALLATIONS; HYDRAULIC DRIVING MACHINES; SUPPORTING CHAIN CONVEYORS AND HOISTS, ROLLER TABLES, TILTERS, SCALE WASHERS, AND CLEANING MACHINES FOR CLEANING ROLLER CONVEYORS; CONVEYORS FOR THE CONVEYING OF ROLLED, PRESSED, FORGED AND CAST ARTICLES TO AND FROM ROLLING, PRESSING, FORGING AND CASTING INSTALLATIONS; ELECTRIC WELDING MACHINES, IN PARTICULAR, PIPE WELDING MACHINES, BUTT-WELDING MACHINES; CUTTING MACHINES, IN PARTICULAR, PIPE BLADES, FLAME CUTTING MACHINES; HOISTS, CONVEYORS AND LOADING MACHINES FOR FILLING BLAST FURNACES WITH IRON ORE, COKE AND LIMESTONE AND EMPTYING IRON AND SLAG FROM BLAST FURNACES; MACHINES FOR TILTING, PIVOTING, AND MOVING CONVERTERS AND LADLES, ALL OF THE ABOVEMENTIONED MACHINES FOR THE TREATMENT, PROCESSING AND PRODUCTION OF METALS AND PLASTICS; MACHINES FOR THE CHEMICAL INDUSTRY, NAMELY, CHEMICAL FIBER DRYING MACHINES, EXTRACTING MACHINES FOR CHEMICAL PROCESSING; MACHINES FOR AGRICULTURE, NAMELY, COMBINES, HARVESTERS, THRESHERS, AND POWER TILLERS; MACHINES FOR MINING, IN PARTICULAR, EXCAVATORS, CUTTERS, EARTH AND MINING WASTE MOVERS, ORELOADERS, CUTTERS AND CONVEYORS, MACHINES FOR OPERATING MINING SHAFTS, NAMELY, DEVICES USED FOR BRACING MINE SHAFTS, HOISTS, LOADING SKIPS,WINDLASSES, INCLINED CONVEYORS, MACHINE TOOLS, NAMELY, WINDING ENGINES, MACHINE TOOLS, NAMELY, WINDING TOWERS, HEAD FRAMES FOR MINING, NAMELY, FRAMES POSITIONED OVER A MINE SHAFT FOR SUPPORTING HOISTS FOR MINING, CONVEYOR BUCKETS, CONVEYOR BELTS, MINE CAR FILLERS AND UNLOADING MACHINES; HYDRAULIC AND PNEUMATIC CONVEYORS AND SOLIDS TRANSPORTERS; PIPELINE CONVEYORS; WASTE DISPOSAL COMMINUTERS, CONVEYORS, LEAD-LINED HOISTS AND CONVEYORS FOR LOADING CONTAINERS WITH RADIO-ACTIVE WASTE, TRANSPORTERS FOR RADIOACTIVE WASTE CONTAINERS; METAL COIL HANDLERS, NAMELY, METAL COIL WINDERS, METAL COIL CONVEYORS, METAL COIL PACKAGERS, METAL COIL STACKERS; CRANES, HOISTS AND CLAMPS AND STRUCTURAL PARTS THEREOF; MACHINE TOOLS FOR THE STEEL MILL INDUSTRY, NAMELY, GRINDING MACHINES; MACHINES FOR USE IN THE REPLACEMENT OF ROLLING MILLS USED FOR ROLLING METAL; MOTORS AND ENGINES EXCEPT FOR LAND VEHICLES, NAMELY, ELECTRIC MOTORS OR ELECTRIC GEAR MOTORS FOR MACHINES; MACHINE COUPLING AND TRANSMISSION COMPONENTS, NAMELY, HYDRAULIC AND MECHANICAL TRANSMISSIONS FOR MACHINERY AND STRUCTURAL PARTS THEREFOR; SPECIFICALLY EXCLUDING MACHINE TOOLS, NAMELY, SYSTEMS OF NITROGEN GAS SPRINGS, PNEUMATIC CYLINDERS, DELAY CYLINDERS, CONTROLLED RETURN CYLINDERS, CAMS OR OTHER FLUID POWER PRODUCTS AND ACCESSORIES SUCH AS SURGE TANKS, CONTROL PANELS, PRESSURE MONITORS, SPECIALTY DELAY CYLINDERS, ACCUMULATORS, FITTINGS, HOSE, TUBING, SWITCHES, MOUNTS, RISERS, PARALLELS AND OTHER COMPONENTS MOUNTED TO A PLATE OR MANIFOLD PLATE AND COMPONENTS THEREOF FOR USE IN METAL STAMPING, METAL WORKING, PLASTIC MOLDING, PUNCHING, COINING, SHEARING, SPECIALTY MACHINES AND AUTOMOTIVE APPLICATIONS