Edward A. Betts

• Advanced diving activities
• Hyperbaric Chamber Operator
• Introduction to enriched air diving
• Open water sport diver
• Recreational diving with closed circuit rebreathers
• Recreational Diving with Closed Circuit Rebreathers - HammerHead CCR
• Recreational Diving with Closed Circuit Rebreathers - Megalodon
• The application of enriched air mixtures
• לנשום אויר בטוח