| Acronym | Meaning |
 | IBA | Important Bird Area |
| PER | Peru (ISO 3166 Trigram) |
| LRIP | Low Rate Initial Production |
| HBO | Home Box Office |
| FLOT | Forward Line Of Own Troops |
| AAR | Afar Language (ISO 639-2 Code) |
| DAF | Dissolved Air Flotation |
| ETB | Ethiopian Birr (ISO 4217 Currency Code) |
| ORD | Office Of Research And Development - Operational Requirements Document |
| HFEA | Human Fertilisation And Embryology Authority (UK) |
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