Deep diving specialty Certification card Equipment 1 Equipment 2 Equipment 3 Equipment 4 Prevention for decompression sickness 1 Prevention for decompression sickness 2 Prevention for decompression sickness 3 Symptoms of decompression sickness Treatment for decompression sickness Prevention for Nitrogen Narcosis Treatment for Nitrogen Narcosis Plans and rules Changes in air consumption rate Calculation of dive time limit Depth limit Boat support Diving preparation Descent Underwater action Ascent and exit Emergency action
The distance between the diver and the boat is so long that you need the help of your underwater buddy in an emergency. Review the techniques of octopus breathing and buddy breathing in case of emergency.
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