7 MACHINES AND MACHINE TOOLS FOR CREATING, PROCESSING, FORMING AND CUTTING MATERIALS FOR USE IN PRODUCTION OF PARTS FOR USE IN TURBOJETS, RAMJETS, PULSE-JETS, ROCKET ENGINES, MOTORS AND ENGINES FOR FIXED OR MOBILE INSTALLATIONS, EXCEPT FOR LAND VEHICLES, NAMELY, GAS TURBINE ENGINES, HEAT ENGINES, ELECTROTHERMAL ENGINES, JET ENGINES, COMBINED PROPULSION ENGINES, ROCKET ENGINES, HYPERSONIC ENGINES, CRYOGENIC ROCKET MOTORS, ROCKET MOTORS FOR SATELLITE LAUNCHERS AND FOR BALLISTIC AND TACTICAL MISSILES, ROCKET ENGINES AND CONTROL ENGINES FOR SATELLITES; ION ENGINES, THRUSTERS, PLASMA ENGINES, PLASMA SOURCES FOR PROVISION OF PLASMA BEAMS FOR CREATING, PROCESSING, ANALYZING, FORMING AND DESTROYING OF MATERIALS OR OBJECTS, ARC-JETS; AIRCRAFT ENGINE THRUST REVERSERS; PARTS OF THE AFORESAID ENGINES, MOTORS AND REVERSERS, NAMELY, COMBUSTION CHAMBERS, NOZZLES, AIR INLETS, PROFILES, BOARDS, SHEETS, BLOCKS, RODS, TUBES AND PELLETS