| Acronym | Meaning |
 | PICNIC | Problem In Chair Not In Computer |
| DJS | Director |
| TMR | Twin Main Rotors (helicopter Type) |
| SCFM | Standard Cubic Foot Per Minute (unit Of Measurement Of Fluid Flow) |
| ORISE | Oak Ridge Institute For Science And Education |
| PBCK | Problem Between Chair And Keyboard (computer Help Desk In-joke) |
| ASB | Associated Student Body - Alternative Service Book (Church Of England) |
| NAGPRA | Native American Graves Protection And Repatriation Act |
| MOS | Military Occupational Specialty -Mit Out Sound / Motor Only Sync -Mobile Object System - Model Output Statistics - Multiplayer Online Services |
| LVA | Latvia (ISO 3166 Trigram) |
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