| 28110 | Blocks for industrial engines (manufacture) |
| 28110 | Boiler-turbine sets (manufacture) |
| 28110 | Camshaft for motor vehicle engine (manufacture) |
| 28110 | Carburettor and parts for motor vehicle (manufacture) |
| 28110 | Carburettors and such for all internal combustion engines (manufacture) |
| 28110 | Carburettors for industrial engines (manufacture) |
| 28110 | Compression ignition engines for industrial use (manufacture) |
| 28110 | Compressor engine (manufacture) |
| 28110 | Crankshaft for motor vehicle (manufacture) |
| 28110 | Cylinder heads for industrial engines (manufacture) |
| 28110 | Cylinder inserts for industrial engines (manufacture) |
| 28110 | Cylinder liner for motor vehicle (manufacture) |
| 28110 | Cylinder liners for industrial engines (manufacture) |
| 28110 | Diesel engines for industrial use (manufacture) |
| 28110 | Engine block for motor vehicle (finished) (manufacture) |
| 28110 | Engines and parts for marine use (manufacture) |
| 28110 | Engines and parts for railways (manufacture) |
| 28110 | Engines for agricultural machinery (manufacture) |
| 28110 | Engines for combine harvesters (manufacture) |
| 28110 | Engines for construction equipment (manufacture) |
| 28110 | Engines for forklift trucks (manufacture) |
| 28110 | Engines for industrial application (manufacture) |
| 28110 | Engines for lawn mowers (manufacture) |
| 28110 | Engines for locomotives (manufacture) |
| 28110 | Engines for marine use (manufacture) |
| 28110 | Engines for railway vehicles (manufacture) |
| 28110 | Exhaust valves for internal combustion engines (manufacture) |
| 28110 | Gas turbine (excluding turbo-jets and turbo-propellers) parts (manufacture) |
| 28110 | Gas turbine (industrial engine) (manufacture) |
| 28110 | Gas turbine for marine use (manufacture) |
| 28110 | Generator engine (manufacture) |
| 28110 | Hydraulic turbine (manufacture) |
| 28110 | Hydraulic turbine and water wheel parts (manufacture) |
| 28110 | Hydraulic turbines and parts thereof: (manufacture) |
| 28110 | Industrial engine parts (manufacture) |
| 28110 | Industrial spark and compression ignition engine (manufacture) |
| 28110 | Inlet valves for internal combustion engines (manufacture) |
| 28110 | Internal combustion engines and parts (manufacture) |
| 28110 | Internal combustion piston engines (manufacture) |
| 28110 | Internal combustion piston marine engines (manufacture) |
| 28110 | Internal combustion piston railway engines (manufacture) |
| 28110 | Manifold for industrial engine (manufacture) |
| 28110 | Marine non-propulsion engines (manufacture) |
| 28110 | Petrol industrial engines (manufacture) |
| 28110 | Piston for industrial engine (manufacture) |
| 28110 | Piston for motor vehicle engine (manufacture) |
| 28110 | Piston ring for industrial engine (manufacture) |
| 28110 | Piston ring for motor vehicle engine (manufacture) |
| 28110 | Piston rings for all internal combustion engines (manufacture) |
| 28110 | Pistons for all internal combustion engines (manufacture) |
| 28110 | Propulsion engine for marine use (manufacture) |
| 28110 | Slow speed diesel engine for marine use (manufacture) |
| 28110 | Spark ignition engines for industrial use (manufacture) |
| 28110 | Steam and other vapour turbine parts (manufacture) |
| 28110 | Steam engine (manufacture) |
| 28110 | Steam turbine (not marine or for electricity generation) (manufacture) |
| 28110 | Steam turbine for marine use (manufacture) |
| 28110 | Steam turbines and other vapour turbines (manufacture) |
| 28110 | Turbine-generator sets (manufacture) |
| 28110 | Turbines and parts thereof (manufacture) |
| 28110 | Valves for motor vehicle engines (manufacture) |
| 28110 | Water-wheels (manufacture) |
| 28110 | Waterwheels and regulators and parts thereof: (manufacture) |
| 28110 | Wind turbines (manufacture) |
| 28110 | |