görüntüleme
2:48
Unconscious Diver Underwater (Back)
1:09
Breathing From a Free Flowing Regulator
1:05
Emergency Swimming Ascent
1:03:31
SSI Launches the Freedive Challenge: Everything You Need to Know
2:03
Emergency Buoyant Ascent
2:17
Stationary Gas Sharing
1:45
Delayed Surface Marker Buoy Deployment (underwater)
5:39
SSI Open Water Diver Program Chapter 6 Review
