| Acronym | Meaning |
 | DIR | Doing It Right |
| SWP | Safe Working Pressure |
| BFK | Big F*cking Knife (reference To The Diver's Knife) |
| AMDT | Adjusted Maximum Dive Time |
| PG | Pressure Group |
| GMDSS | Global Maritime Distress And Safety System |
| NAUI | National Association Of Underwater Instructors |
| DCAP | Decompression Computation And Analysis Program |
| HSE | Health And Safety Executive |
| GPS | Global Positioing System |
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