| non-combusting heat engine(noun, expression, technology, entity, form) |
| non-road engine(noun, expression, technology, entity, form) |
| non-thermal chemically powered motor(noun, expression, technology, entity, form) |
| outboard motor(noun, expression, technology, entity, form) |
| physically powered motor(noun, expression, technology, entity, form) |
| railway locomotive engine(noun, expression, technology, entity, form) |
| reaction engine(noun, expression, technology, entity, type) |
| spacecraft propulsion engine(noun, expression, technology, entity, form) |
| gas turbine(noun, expression, technology, entity, form) |
| stationary engine(noun, expression, technology, entity, form) |
| air-cooled engine(noun, expression, technology, entity, form) |
| engine component(noun, expression, technology, entity, form) |
| engine manufacturer(noun, expression, technology, entity, form) |
| engine problem(noun, expression, technology, entity, form) |
| engine test stand(noun, expression, technology, entity, form) |
| free-piston engine(noun, expression, technology, entity, form) |
| gas engine(noun, expression, technology, entity, form) |
| locomotive engine(noun, expression, technology, entity, form) |
| piston engine(noun, expression, technology, entity, form) |
| rotary engine(noun, expression, technology, entity, form) |