7 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