| Acronym | Meaning |
 | SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. |
| NAUI | National Association Of Underwater Instructors |
| AIE | Advanced Instructor Exam (BSAC) |
| SSI | Scuba Schools International; Diving Instruction Organization. |
| CAGE | Cerebral Arterial Gas Embolism |
| DAN | Divers Alert Network |
| ITW | Instructor Training Workshop (BSAC) |
| BWRAF | Buoyancy |
| IAND | International Association Of Nitrox Divers |
| SCUHA | Self-contained Underwater Heating Apparatus (urinating In Your Wet Suit). |
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