| Acronym | Meaning |
 | AFK | Away From Keyboard (Internet Chat Abbreviation) |
| THA | Thailand (ISO 3166 Trigram) |
| OTSBH | Over The Shoulder Boulder Holder |
| LLAD | Low Level Air Defence |
| IANAL | I Am Not A Lawyer |
| NEI | National Eye Institute - Not Enough Information - Nuclear Energy Institute |
| WFC | Women's Forage Corps (WWII UK) |
| EPO | Esperanto Language (ISO 639-2 Code) |
| NFK | Norfolk Island (ISO 3166 Trigram) |
| OCR | Optical Character Recognition |
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