Across
- 2. difficult to hear
- 5. disappear
- 9. stop moving
- 12. in a way makes a relaxing feeling
- 14. agree to do something or follow other people’s order
- 15. move one’s head up and down
- 16. push by machine
- 17. a pipe or tube to let waste water flow away
Down
- 1. things you can see
- 2. stay or move easily in the air or on the surface of water
- 3. something done to change a person or thing
- 4. dirty water and waste things
- 6. strange
- 7. very valuable
- 8. complete
- 10. angry because have to wait or have to do something
- 11. building containing machines
- 13. move fast