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Foreword
Introduction
1 Scope
2 Terms and definitions
3 Requirements
  3.1 Water resistance to overpressure
  3.2 Water resistance at shallow depth
  3.3 Water resistance when a strain is placed on the operative
      components
  3.4 Water resistance on exposure to thermal shocks
4 Test methods
  4.1 Test conditions
  4.2 Condensation test
  4.3 Reference tests
      4.3.1 Water resistance to overpressure
      4.3.2 Water resistance at shallow depth
      4.3.3 Water resistance when strain is placed on the
            operative components
      4.3.4 Water resistance on exposure to thermal shocks
  4.4 Test under air overpressure
5 Marking
Annex A (informative) Precautions in use and notions of physics
      A.1 Precautions in use
      A.2 Notions of physics
          A.2.1 Overpressure
          A.2.2 Conversion rule