Rolling mills, namely, heavy, medium and light section 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 metals, namely, steel, iron, aluminum and copper as well as alloys of the same, and replacement parts for the aforementioned rolling mills; industrial machine presses, namely, extrusion presses, impact extrusion, cold extrusion and back-flow extrusion presses, straightening and bending presses, plate shaping presses, deep-drawing presses, multi-stage presses, and replacement parts for the aforementioned industrial machine presses; forging machines, namely, open-die forging machines, automatic forging hydraulic hammers, forging presses, piercing presses and counter blow hydraulic hammers, and replacement parts of the aforementioned forging machines; casting machines, namely, continuous steel slab casting machines and machines for the continuous casting of metals, and replacement parts therefor; plastic extrusion moulding machines and plastic injection moulding machines, pumps for cooling, lubricating and removing waste water in rolling, pressing, forging and casting installations; valves being parts of rolling, pressing, forging and casting machines; couplings for rolling, pressing, forging and casting machines; filters for rolling, pressing, forging and casting machines; electricity generators for rolling, pressing, forging and casting machines; hydraulic driving machines in the nature of hammer drivers for rolling, pressing, forging and casting installations; electric driving machines in the nature of hammer drivers for rolling, pressing, forging and casting installations; hydraulic and mechanical transmissions for machines and replacement parts therefor; supporting chain conveyors and hoists, roller conveyors, and steam cleaning machines for use on industrial rollers; casting machines; conveyors for the conveying of rolled, pressed, forged and cast articles to and from rolling, pressing, forging and casting installations; gas-operated welding machines, flame cutting machines; electric motors for machines; electric gear motors for machines not for land vehicles; washing brushing machines for metalworking with washing filters used to prevent clogging; scarfing-cutting machines and flame cutting machines for metalworking

Instruments for inspecting and measuring, namely, control desk consisting of electric control panels mounted on a desk for regulating metal rolling, pressing, forging and casting installations; instruments for inspecting and measuring, namely, control platforms comprised of electric control panels for regulating metal rolling, pressing, forging and casting installations; instruments for inspecting and measuring, namely, laser pointers, load cells in the nature of electrical transducers, scales, stress meters in the nature of transducers that utilize ultrasonic oscillations to test for stress and fatigue in metal and metal structures; electronic sensors used to measure weight, gravity, capacity, breadth, length, thickness, cardinality, temperature, flow rate, oscillating quantity, velocity, speed and density of molten metals, metal slabs, metal coils, acid solutions, coolant water, operating oil and lubricating oil; digital and analog dial length measuring gauges and electronic speed controllers for metal rolling, pressing, forging and casting installations; electric energy transmission equipment for lubricating systems comprised of electric switch, electric relay, circuit breaker

Smelting furnaces; industrial water recirculation cooling and heating systems for metal rolling, pressing, forging and casting installations comprised of water coolers for rolling mills, electrical induction heating apparatus for pre-heating metal strip workpieces, furnaces, water cooling towers, electric fans for cooling metal workpieces, power-operated sprayers for use with water cooling towers, and glass fiber insulation for hot water heaters; industrial cooling apparatus for metal pressing, forging and casting installations consisting of metal cooling wheels for air cooling semi-worked metal slabs; oil treatment and purifying systems in the nature of oil purifying installations; water treatment, cooling and purifying systems, comprised of industrial-water purifying apparatus, water filtering apparatus and water separators for the cleaning and purification of water