Across
- 4. devices powered by current.
- 5. source of light
- 6. done without wasting resources,
- 8. of or relating to sound
- 10. a single unit composing a TV or digital image.
Down
- 1. a machine used for a simple purpose
- 2. to bounce back waves, especially from sound or light
- 3. intensely bright;
- 7. very thin thread-like fiber.
- 9. nonverbal gestures or cues sending a message