| Acronym | Meaning |
 | OTA | Office Of Technology Assessment -Orthodontic Technicians Association |
| SLV | El Salvador (ISO 3166 Trigram) |
| WTC | World Trade Center |
| AMSU | Association For Managers In Students' Unions - Aviation Mat?riel Screening Unit |
| JM | Jamaica (FIPS 10-4 Country Code; ISO 3166 Digram) |
| HAART | Highly Active Anti-Retroviral Therapy |
| BLT | Bacon Lettuce Tomato (sandwich) |
| 4WD | Four Wheel Drive (cf. AWD) |
| PNS | Pensacola |
| YEM | Yemen (ISO 3166 Trigram) - Manitowaning/Manitoulin East Municipal Airport IATA Airport Code |
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