This Sub-class includes: manufacture, repair and/or maintenance of: •internal marine combustion piston engines •pistons, piston rings, carburettors and/or such for all marine internal combustion engines and/or diesel engines, etc. •inlet and/or exhaust valves of marine internal combustion engines
•manufacture of electric generators (except turbine generator sets), see 27102 •manufacture of prime mover generator sets (except turbine generator sets), see 27102 •manufacture of electrical equipment and components of internal combustion engines, see 27902 •manufacture of motor vehicle, aircraft or cycle propulsion engines, see 29100, 30301, 30910 •manufacture of turbojets and turbo propellers, see 30301