Across
- 1. explosive device
- 7. Xray tool
- 8. flying robot
- 9. finding
- 11. see inside
- 12. agent
- 13. blasting agent
- 16. certainty
- 17. dog
- 18. explosive stick
Down
- 2. metal detector
- 3. smell
- 4. surveillance
- 5. freight
- 6. .38 revolver
- 10. volatile chemical compound
- 14. MSA canine program
- 15. try to find