| Acronym | Meaning |
 | DO | Dive Officer (BSAC) |
| TO | Training Officer (BSAC) |
| RSTC | Recreational Scuba Training Council. Organization That Sets Basic Guidelines For Scuba Diving Agencies. |
| OWSI | Open Water SCUBA Instructor (PADI) |
| DIR | Doing It Right |
| SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. |
| SWP | Safe Working Pressure |
| PSI | Pounds Per Square Inch |
| CMAS | Confederation Moniale Des Activities Subaquatiques |
| SPG | Submerssible Pressure Guage |
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