Across
- 4. to join things together
- 6. sb who uses sth
- 9. to be in contact with
- 10. to keep sth out of view
- 11. the smallest part of every living thing
- 12. a gadget that sends/receives phone/radio signals
Down
- 1. that you can see
- 2. a system of roads/lines connected to each other
- 3. very modern
- 5. how often sth happens
- 7. to put sth over sth else
- 8. to change the appearance so people don`t recognise sb/sth