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
Make sure you have enough Surface Interval Time before moving to high altitude or flying.
Check the DC display
If you are doing repetitive diving, make sure you have at least one hour of Surface Interval Time.
Avoid hot showers, baths, hot springs and saunas immediately after diving.
No, your blood will be muddy！！
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