Common metals and their alloys; metal building materials, namely, screws, bolts, metal plates, bands of metal, and badges of metal for aircraft; air conditioner installations, namely, ducts of metal for ventilation and air-conditioner installations; fuel, hydraulic, and pneumatic systems made of common metals, namely, metal adapters, metal couplings, metal manifolds, metal thread adapters; portable metal buildings; metal materials for aircraft and railway construction, namely, aluminum, aluminum alloys, steel, titanium, titanium alloys, magnesium alloys, aluminum magnesium alloys, aluminum magnesium scandium alloys, titanium aluminide alloys, aluminum copper lithium alloys; ironmongery and small items of metal hardware, namely, bolts and fittings, namely, outer aircraft skin clasps, interior aircraft component clasps, pipes and tubes of metal; metal safes; goods of common metal not included in other classes, namely, nails, cooper, iron, lead and tin ores; all the aforementioned goods in this class for use only in the aircraft and railway industries

Structural parts of aircraft and aircraft structural components, namely, bulkheads, cargo doors, wings, fuselages, namely, shells, floor structures and fuselage components, keel beams, aircraft body parts, ribs and structural fittings for aircraft, flap tracks, fastening rods, weld plates for the furnishing of the interior and the cockpit of the aircraft, and structural pipe systems of aircraft; and structural parts of the railway cars and carriages and railway structural components, namely, nosecones on the railway cars

Rubber, gutta-percha, gum in the nature of natural rubber, asbestos, mica and goods made from these materials and not included in other classes, namely, semiprocessed acrylic resins, boiler compositions to prevent the radiation of heat, namely, sealing elements, covering elements, lining elements, all being sealing and insulating materials; insulators for electric cables, compressed air pipe fittings, not of metal; Semi-processed plastics in the nature of filtering materials for use in insulating flexible tubes to filter dust, dirt and other forms of pollution; insulation for railway tracks; plastics in extruded form for us in manufacture; packing, stopping and insulating materials, namely, building insulation, insulating fabrics, and packing foam in sheet form; and flexible pipes, not of metal

Computer programming, scientific research, and industrial research in the fields of aeronautics, composite technologies, metallic technologies, surface engineering, structures engineering, mechatronics, sensors, electronics, system integration, simulation, information technologies, and system engineering; Design and development of computer simulations and models in the aircraft industry, namely, wind tunnel modeling, namely, low and high-speed modeling, take-off and landing configuration modeling, and modeling for testing the aerodynamics of aircraft at different phases of flight; and designed testing of new products for others