Across
- 2. a tool for navigation
- 5. allowed us to go from one place to another faster
- 6. a network that connects computers all over the world. We use Wifi to connect to it.
- 7. flying vehicle
Down
- 1. protection from a disease.
- 3. machine which can transmit voice from one person to another
- 4. a machine for printing text or pictures, especially one linked to a computer.