Underwater diving

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Underwater diving

  1. 1. Underwater diving Marco Renzelli
  2. 2. S.C.U.B.A.• Self• Contained• Underwater• Breathing• Apparatus
  3. 3. How to breathe underwater• The diving regulator:• Diving cylinders(200-300 bars)• 1 stage regulator• 2 stage regulator
  4. 4. Diving cylinders
  5. 5. 1 stage regulator
  6. 6. 2 stage regulator, the demand valve
  7. 7. The past: the old diving regulator, 007’s era
  8. 8. The future: the rebreather?

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