mine shaft air locks, mine ventilation trap doors, guide beams and shaft internals; namely, buntons, stairs and bottom frames made of steel, steel shaft linings; transportable bridges and bridge equipment; namely, moving steel bridges, collapsible steel bridges, transferable steel flyovers, pre-fabricated pedestrian bridges, floating bridges, aluminum floating bridges, turntables, doors for aviation hangars; pre-fabricated steel components for rocket launching installations; namely, starting pads, assembly buildings, satellite shops; miscellaneous nuclear apparatus; namely, transporting and storage containers for fuel elements, made of steel, parts for nuclear technology; namely, pre-fabricated personnel and material locks made of steel, pre-fabricated steel foundations for fast-running machinery, apparatus of boiler plate and special steel for the chemical and mineral-oil industries; namely, distillation and absorption towers, metal feed water containers for use in nuclear power plants; loading and unloading equipment, consisting mainly of loading and unloading hoppers, spillage bunkers and skips made of steel; steel floating drydocks

koepe and drum-type winders for mining installations; rope mounting winches; skips; winding cages, bunker conveyors, belt conveyors, swinging platforms; metallurgical ore dressing machines and parts therefor; trackless vehicles for underground mining and tunnelling, diesel-powered or with electric driving motor; namely, shovels; turbo compressors of axial-flow and centrifugal design, for the compression of air and gases of all kinds (excepting those for motor vehicles), industrial steam turbines, gas turbines, process-gas expanders, B.F. (blast furnace) top gas expanders, screw-type compressors for handling process gases; screw compressor stages basic units, consisting of compressor casing with built-in rotors cooled by oil injection for compressed-air generation and refrigeration plants, oil-free screw compressors for the compression of air for the pneumatic handling of bulk materials; screw-type expanders; cranes, bucket wheel excavators, trenching hopper machines, machines to convey, remove, stack, and transload bulk material; namely, belt conveyors, bucket wheel equipment, combined pickup and stacker equipment, loading bridges, blending bed equipment, consisting basically of driveable bulk material stacking and reclaiming units; machines which can be mounted in a stationary manner to transport continuous casting plant ladles; namely, rotary ladle turrets, ladle rotating gear; surface mining machines; namely, stackers, travelling trippers, belt conveyors, intermediate trippers, guide roller assemblies, for skips and cages, head gears and winding towers, moveable steel structures; namely, hydraulic steel structures (with drives); namely, weirs, sluice locks, impact protection equipment for lock gates, revolving, sliding and lifting platforms for the stages of theatres, concert halls, multi-purpose halls and TV studios

special constructions; namely, communication antennas, radio telescopes, optical telescopes and measuring conveyors

furnaces for aluminum melting and casting, hot metal and pig iron production machines, oxygen-blown steel production machines, arc furnace steel production machines, machines for the post-treatment (ladle refining) of steel and for iron-ore direct reduction

mine cars, trackless vehicles for underground mining and tunnelling, diesel-powered or with electric driving motor; namely, tractors, and trucks (including LHD load haul and dump trucks), dumpers, trackless vehicles for heavy-load transport in industrial and metallurgical plants and for the towing of airplanes; axles and wheels for railway and crane vehicles, driven and traction wheel sets, vibration absorbers for track wheels; rail cars including those for steel works; namely, hot metal (torpedo) cars, ladle transfer cars, slag cars; components of rail cars; namely, bogies, superstructures