| Acronym | Meaning |
 | IVECO | Industrial Vehicles Corporation |
| BTID | Battlefield Target Identification Device |
| IREA | Intermountain Rural Electric Association |
| WMO | World Meteorological Organization |
| NP | Neap Tide (nautical Charts) -Neptunium |
| AA | Attoampere |
| EFSA | European Food Safety Authority |
| MASER | Microwave Amplification By Stimulated Emission Of Radiation |
| AO | Angola (FIPS 10-4 Country Code; ISO 3166 Digram) -Approach Officer (submarine) - Area Of Operations |
| NN | Norwegian Nynorsk Language (ISO 639-1 Code) |
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