For scuba divers, knowledge is just as important as the air in your tank. Whether you are a newly certified Open Water Diver or a seasoned Dive Master, one resource stands out as the definitive reference guide for the sport: The PADI Encyclopedia of Recreational Diving.
Session 1 — Core theory (2–3 hours)
Conclusion
This section covers how the human body reacts to the underwater environment. It is vital for understanding safety and risk management. padi encyclopedia of recreational diving pdf