7 Ore treating machines, mine working machines, mineral separation jigs, machines for removing mineral impurities, haulage apparatus for use in mine working, cargo handling machines and apparatus for loading and unloading ore material, engine driven hammers for civil engineering, engine driven hammers for mining, engine driven hammers for metal processing, eroding knives as parts of machines, plants, namely, machines for the treatment of coal and ores, plants, namely, machines for the reduction of ores and minerals, plants, namely, machines to treat minerals and coals, material sorting machines for industrial use, disintegrators for chemical processing, machines for pelletizing, direct reduction iron manufacturing installations in the nature of machines, catalytic converters for steel works, metal foundry machines, injectors for injecting oxygen and fuel as parts of machines, vacuum degassing machines, vacuum oxygen decarburization machines, machines for pneumatic transporting and injecting carbon and lime as parts of machines, electric machines and apparatus for cleaning furnace slag doors, electric machines and apparatus for waste and fumes disposals, waste disposer machines, dust exhausting apparatus for cleaning purposes, plants, namely, machines for treating solid, liquid and gaseous industrial and civil wastes, machines to treat solid wastes, slag granulation installations in the nature of machinery for blast furnaces, continuous casting machines for billets, blooms, near net shape, thick, medium, thin slabs; casting machines for curved and rectilinear ingot molds, casting machines for horizontal ingot molds, casting machines on wheels, ingot moulds as parts of machines, ladle supports for casting machines, oscillating system as part of casting machines moulds, roller guides and secondary cooling for casting machines, straighteners for casting machines, withdrawal assemblies for casting machines, power-operated shears for cast products, high-speed billet casters, high-speed slab casters, endless casting and rolling machines, metal rolling stands, hot and cold rolling stands as parts of machines, rolling mills, housings for roller as parts of machines, machine parts, namely, hydro dynamic bearings for rolling mills, thin slab rolling mills, hot strip mills, plate mills, steckel mills, tandem cold mills, reversing cold mills, hot and cold skin pass mills, temper mills, heavy, medium, light section and rail rolling mills, high speed wire rod rolling mills, high speed bar mills, special steels bar and rod mills, bar and wire rod rolling mills, slitting machines, and laying heads for wire; endless welding rolling machine, welding machines for endless rolling machines, machines for pickling steel strip, annealing machines, cleaning machines for industrial plants, steel strip coating machines, painting machines, pneumatic air knives, winders for mechanical wire and accessories, reels as parts of machines, winding machines, mechanical wire winders, unwinding machines, spooling machines for bar coiling, sheaf-binding machines, packing machines, packaging machines for metals, manipulators, packagers and folders for manufactured or semi - finished products, machines for packing and binding metal profiles, stacking machines, hoists, capstans in the nature of winding machines for wire, cord, or rope, elevating apparatus, conveyor machines, cranes, power operated lifts, power operated conveyor belts, power operated roller conveyors, conveyors for industrial transport operations, conveyor belts for machines, forging and extrusion presses, power operated mechanical presses, wire extruders, metal extruding machines, plastic extruding machines, extrusion presses, swaging machines, forging machines, metal drawing machines, cold wire drawing machines, cold drawing machines, machines for surface finishing of metal, bar-to-bar drawing benches for bars and tubular products, machines suitable for detecting and eliminating surface defects on cast and rolled metal products, vertical turning machines, lathes for metalworking, reeling and centerless grinding machines, circular saws, ingot milling machines, machines and parts thereof for plants to grind metals, straighteners for manufacturing billet bars, wires, rails; metal straightening machines, cutting machines, shearing machines for metalworking, cutting machines for metalworking, high speed cropping shears for wire rod mills, seamless tube hot rolling machines, supersonic waves welding machines, electron beam welding machines, gas welding machines, electric welding machines, finishing equipment for steel seamless tubes, retained mandrel mills, tube sizing and stretch reducing mills, rail-laying machines, railroad constructing machines, machines to fasten and secure metal rails, tamping machines, power operated cutters for metal rails, road making machines, lathes as machine tools, tables for machines, industrial robots, machining centers, driving mechanical motors other than for land vehicles, dynamos, armature winding machines and stator winding machines, machines for the production of metallic spheres, servo motors other than for vehicles, shredder machine for metallic scrap, electric hammers, pressure regulators as parts of machines, electric motors other than for land vehicles, material handling machines, namely, palletizers, regulators for electrical motors and generators