Across
- 2. scanning system
- 4. wall
- 7. group
- 8. promote
- 10. institution
- 12. river
- 15. investigate
- 16. public opinion
- 18. beam
- 19. law
- 20. stable
- 21. machine
- 22. make certain
Down
- 1. cream
- 3. office
- 5. mess
- 6. sky
- 9. break
- 11. name
- 12. in the meantime
- 13. mist
- 14. wash
- 17. worker