Across
- 3. Instrument used to measure air pressure (5 letters)
- 4. Tube for breathing while face-down on the surface (7 letters)
- 8. Illumination device for night dives (5 letters)
- 9. Container holding compressed air for diving (4 letters)
- 11. A partner with whom a diver teams up for safety underwater (5 letters)
- 12. Garment worn to insulate and protect divers (7 letters)
Down
- 1. Device that controls air flow from the tank (9 letters)
- 2. Essential gear for seeing underwater (4 letters)
- 5. The backup regulator used in case the primary fails( 7 letters)
- 6. Helps divers move efficiently through the water (4 letters)
- 7. Tool for safety and cutting through underwater obstacles (5 letters)
- 10. Buoyancy control device used by divers (3 letters)