| Answer | Crossword Clue |
|---|---|
| generators | A dynamo or similar machine for converting mechanical energy into electricity |
| generator | A dynamo or similar machine for converting mechanical energy into electricity |
| cells | device for converting chemical energy into electricity |
| cell | device for converting chemical energy into electricity |
| engine | machine for converting energy into force and motion |
| engines | machine for converting energy into force and motion |
