Rocket motor propulsion apparatus for missiles being rocket engines not for land vehicles; rocket engines for the propulsion of missiles; rocket propulsion engines for missiles; rocket propulsion engines for weapons being rocket engines not for land vehicles; rocket motor propulsion apparatus for aircraft being rocket engines not for land vehicles; rocket motor propulsion apparatus for weapons being rocket engines not for land vehicles; rocket engine nozzles being combustion engine fuel nozzles; control mechanisms being hydraulic controls and pneumatic controls for machines, engines or motors; engines, other than for land vehicles; engines for use in powering aircraft; jet engines, other than for land vehicles; hydraulic machines and apparatus namely hydraulic hammers, hydraulic engines and motors, hydraulic door openers; electric driving motors for air vehicles being electric motors not for land vehicles; electric planes; electrically powered machines namely electric motors, stepper motors, servo motors, electronic position and speed controller, resolvers, actuators; mechanical control devices being hydraulic controls and pneumatic controls for machines, engines or motors; mechanical control modules being hydraulic controls and pneumatic controls for machines, engines or motors; mechanical control installations being hydraulic controls and pneumatic controls for machines; motor control instruments being hydraulic controls and pneumatic controls for machines, engines or motors; control cables being cables specially adapted for use with hydraulic controls and pneumatic controls for machines, engines or motors; motors for machines; parts of motors, namely, pumps and compressors as parts of motors; power trains for aircraft being aircraft engine parts