6
Common metals and their alloys
7
Flight propulsion mechanisms, in particular jet engines and turboprop engines and parts therefor; turbines and compressor discs; engine suspension mechanisms and linings, gas turbines, in particular shaft power engines; turboblowers and turbocompressors; mechanically driven compressors; hydraulic and pneumatic controls for machines, motors and engines; hydraulic gears and clutches for machines; pneumatic transporters; compressed air machines and compressed air engines; compressed air starters and compressed air pumps; ejectors; degreasing machines; springs (parts of machines); filters (parts of engines), (ball bearing) rings and (lubricating) rings; pipes; air suction machines; grinding machines and lubricators being parts of machines; cutting and welding machines; machine fly-wheels; Sorting machines; chucks; controls for machines; belts for conveyors; washing apparatus; tools and tool holders being parts of machines; machine tools; gear boxes other than for land vehicles; liquid and fuel pumps; pump drives; radial and axial flow compressors; blower and fan; guide grids for turbo engines; gas flow controls; axial and radial turbines; mufflers; propelling nozzles; fuel lines; fuel regulators; injection pumps, nozzles and valves; fixed and detachable machine couplings (except for land vehicles); oil and fuel filters; liquid filters being parts of machines, motors or engines; centrifuges (machines); beddings for shafts, axles, rotors and transmission components; toothed wheels; machine housings; control gear; brush, labyrinth and floating ring seals being machine parts; rotors, in particular for turbo engines; blades for turbo-engines; component parts of turbo-engines of fibre composites, ceramics and metals; travelling gear components
9
Fuel gauge devices
12
Machine parts for automobile construction, namely brake discs
37
Technical maintenance and repair of flight propulsion mechanisms, in particular jet engines and turboprop engines and parts therefor, turbines and compressor discs, engine suspension mechanisms and linings, gas turbines, in particular shaft power engines, turboblowers and turbocompressors, mechanically driven compressors, hydraulic and pneumatic drives for machines, motors and engines, hydraulic gears and clutches for machines, pneumatic conveyors, compressed air machines and compressed air engines, compressed air starters and compressed air pumps, ejectors, degreasing machines, springs (machine parts), filters (parts of engines), (ball bearing) rings and (lubricating) rings, pipes, air suction machines, grinding machines and lubricators being parts of machines, cutting and welding machines, flywheels for machines, sorting machines, chucks, controls for machines, conveyor belts, washing apparatus, tools and tool holders being parts of machines, machine tools, gear boxes (except for land vehicles), liquid and fuel pumps, pump drives, radial and axial flow compressors, blowers and fans, guide grids for turbo engines, gas flow controls, axial and radial turbines, sound dampers, propelling nozzles, fuel lines, fuel regulators, injection pumps, nozzles and valves, fixed and detachable machine couplings (except for land vehicles), oil and fuel filters, liquid filters being parts of machines, motors or engines, centrifuges (machines), beddings for shafts, axles, rotors and transmission components, cogged wheels, machine housings, control gear, brush, labyrinth and floating ring seals being machine parts, rotors, in particular for turbo engines, blades for turbo engines, components for turbine engines of composite fibre materials, ceramics and metals, travelling gear components, fuel gauge devices and machine parts for automobile construction, namely brake discs
40
Treatment of materials, in particular cutting of goods of metal
42
Materials testing, manual or computer-aided programming; tool construction, for others; engineering