7 Turbochargers for automobiles; superchargers; turbochargers for machines; turbines, other than for land vehicles; aeroplane engines; compressors for machines; centrifugal compressors; reciprocating compressors; rotary compressors; air compressors; electric compressors; axial flow compressors; compressors for dehumidifying machines; compressors for air conditioners; compressors as parts of machines; carburetors; carburetor feeders; engines for boats; engines not for land vehicles; exhausts for motors and engines; jet engines, other than for land vehicles; injectors for engines; motors, other than for land vehicles; propulsion mechanisms, other than for land vehicles.