Across
- 2. a sailing ship with normally three masts
- 5. diver gets this when they dive too deep
- 7. a quarter of a circle
- 11. missile, designed to be fired from a gun
- 13. technical equipment needed for a particular purpose
- 14. study of people's efficiency in their work environment
- 15. wishing evil to others
- 18. an unlikely chance, a surprising piece of luck
- 19. slope
Down
- 1. marine fish, attaches itself to large fish
- 3. strange and weird behavior
- 4. fast and energetic in a wild, uncontrolled way
- 6. person who swims underwater
- 8. a daydream
- 9. involving a gas at pressure greater than normal
- 10. qualities or particular parts of a person's background
- 12. perfectly neat, clean, tidy
- 16. human made, normally historical
- 17. heavy material, in the bottom of the ship to keep stability
- 20. trying not to reveal things about themselves