| Acronym | Meaning |
| CENTO | Central Treaty Organization (Baghdad Pact) |
| XX | Twenty (in Roman Numerals) |
| LAD | Laser Aiming Device |
| NO | Nitric Oxide -Normally Open -Norway (ISO 3166 And FIPS 10-4 Country Code Digram) |
| FISA | F?d?ration Internationale Des Soci?t?s D'Aviron (French |
| RISC | Reduced Instruction Set Computer |
| BART | Bay Area Rapid Transit |
| KET | Kentucky Educational Television Refers To The Network And The Production Facilities -Key English Test |
| OMB | U.S. Office Of Management And Budget - Ontario Municipal Board -Order Of Mapungubwe In Bronze |
| SLPH | Standard Litre Per Hour (air Flow) |