| Answer | Crossword Clue |
|---|---|
| generators | GENERATOR, an apparatus for turning mechanical into electrical energy |
| generator | an apparatus for turning mechanical into electrical energy |
| microphone | An instrument for converting sound waves into electrical energy variations, which may then be amplified, transmitted, or recorded |
| microphones | An instrument for converting sound waves into electrical energy variations, which may then be amplified, transmitted, or recorded |
