SCUBA

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Across
  1. 3. Diver who stirs up bottom sand or silt
  2. 5. Method of equalizing
  3. 6. Uses up air tank faster than others
  4. 8. A dive deeper than 60ft
  5. 9. Large marine sinkhole
  6. 13. Method of equalizing the middle ear
  7. 15. H49,He50,O8
  8. 17. Passing through a cave and exiting by a different opening
  9. 18. Getting paired with a stranger
  10. 20. Diver who swims vertically with their legs beneath them
  11. 22. Device to monitor loop gas
  12. 23. Gas with higher oxygen and less nitrogen
  13. 24. Method of equalizing the middle ear
Down
  1. 1. Part of regulator attached to tank
  2. 2. Rapture of the Deep
  3. 4. Online leash to downline
  4. 7. Dizziness because of unequal middle ear pressure
  5. 10. Tank at decompression stop
  6. 11. Uncontrolled muscular contraction of vocalchords
  7. 12. Bluish coloration skin or mucous membranes
  8. 14. Experienced of euphoria or other strong emotions
  9. 16. Gas mixture used for decompression in order to shorten it
  10. 19. Contracting of breathold divers when approaching hypoxic blackout
  11. 21. Slang for breath hold spearfishes