Across
- 3. Train track
- 6. Transmissive optical device that focuses
- 7. Makes distant objects appear magnified by using an arrangement of lenses
- 8. Detection system that uses radio waves
- 11. TV
- 12. Instrument used for navigation and orientation
- 13. Vibrates to produce the sounds
- 15. Mappa mundi
Down
- 1. Instrument to capture still images or record moving images
- 2. Can call with this thing
- 3. Device, what is using waves
- 4. What is WiFi
- 5. Almost every people have this device
- 9. Are visual aids
- 10. Can fly with engines
- 14. Thin material produced by pressing together moist fibres of cellulose