Diving - 潜水

U.S. Navy diving and salvage operations
The picture shows the picture on the cover of "London Pictorial News" on February 6, 1873: Preparing for diving operations

divingRefers generally to all underwater activities. Includes diving using compressors to supply air from the surface;diverSelf-carrying respiratory systemscuba diving; And do not carry respiratory system, only use light equipmentFree diving。

Light equipment

  • Face mirror
  • Breathing tube
  • Fins
  • Wetsuit

Heavy equipment

  • Breathing regulator
  • Buoyancy Controller (BCD)
  • Cylinder
  • Counterweight
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