Across
- 1. patent
- 5. Fleet history
- 7. Yorkshire
- 8. submarine
- 9. necklace
- 10. reef
- 11. Burnie
- 14. robot
- 16. ocean floor
- 19. whales
- 20. Makassar
Down
- 1. shipwreck
- 2. Officer
- 3. air bladders
- 4. operation
- 6. Shake Hands
- 12. revenue
- 13. brownies
- 15. connected
- 17. Darwin
- 18. Flinders
- 20. program