| Acronym | Meaning |
 | AOW | Advanced Open Water |
| OWIC | Open Water Instructor Course (BSAC) |
| ROV | Remotly Operated Vehicle |
| BFK | Big F*cking Knife (reference To The Diver's Knife) |
| RSTC | Recreational Scuba Training Council. Organization That Sets Basic Guidelines For Scuba Diving Agencies. |
| TNT | Total Nitrogen Time |
| DIR | Doing It Right |
| VENTID | Vision Ears Nausea Twitiching Irritation Dizziness |
| ITS | Instructor Training Scheme (BSAC) |
| EFR | Emergency First Response |
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