| Acronym | Meaning |
 | GULCR | Grupo De Usuarios De Linux De Costa Rica |
| AFES | Automatic Fire Extinguishing System |
| UZB | Uzbekistan (ISO 3166 Trigram) |
| DNDO | U.S. Domestic Nuclear Detection Office |
| PAL | Phase Alternating Line (TV Standard) -Philippine Airlines |
| DJ | Disc Jockey - Dinner Jacket -Djibouti (ISO 3166 Digram; FIPS 10-4 Country Code) |
| GABA | Gamma-AminoButyric Acid |
| NATO | National Association Of Theatre Owners - North Atlantic Treaty Organisation |
| NZL | New Zealand (ISO 3166 Trigram) |
| LG | Latvia (FIPS 10-4 Country Code) |
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