Across
- 2. (of liquid, gas or electricity) move from one place to another
- 3. valuable or important and not to be wasted
- 5. to rest while you are doing sth. enjoyable
- 7. a tube through which liquids and gases can flow
- 8. done completely
- 11. something that is done to make sth. better
- 12. disappear suddenly
Down
- 1. used water and waste that are carried away from houses through special pipes
- 3. to make water, air, gas, etc. flow in a particular direction
- 4. the act of making sth. clean
- 6. move slowly on water or in the air
- 9. to do what you are told or expected to
- 10. a pipe that carries away dirty water or another liquid waste