| Acronym | Meaning |
 | DCAP | Decompression Computation And Analysis Program |
| RNT | Residual Nitrogen Time |
| NAUI | National Association Of Underwater Instructors |
| ITS | Instructor Training Scheme (BSAC) |
| TNT | Total Nitrogen Time |
| AOW | Advanced Open Water |
| TP | Test Pressure |
| EAR | Expired Air Resuscitation |
| DAN | Divers Alert Network |
| BFK | Big F*cking Knife (reference To The Diver's Knife) |
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