Across
- 3. heating keep the air warm
- 4. cars, buses,motorbikes
- 6. conditioning keep the air cool
- 8. do difficult maths
- 10. access If you surf online you will need it
Down
- 1. a wide road with fast cars
- 2. lights a set of yellow, red and green lights
- 5. you can make your hair dry
- 7. you can walk on it
- 9. it can take you up to higher buildings