| Acronym | Meaning |
 | CMAS | Confederation Moniale Des Activities Subaquatiques |
| OWIC | Open Water Instructor Course (BSAC) |
| SPG | Submerssible Pressure Guage |
| AOW | Advanced Open Water |
| ROV | Remotly Operated Vehicle |
| TP | Test Pressure |
| SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. |
| DCI | Decompression Illness |
| SAR | Search And Rescue/Recovery |
| SSI | Scuba Schools International; Diving Instruction Organization. |
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