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
Let's dive with an instructor if depth is more than 30m. Even for divers who have a lot of experience in deep diving, avoid diving over 40m because it is risky.
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