| Acronym | Meaning |
 | MMK | Burmese Kyat (ISO 4217 Currency Code) |
| AAR | After-Action Review - Association Of American Railroads |
| SIS | UK Secret Intelligence Service (also Known As MI6) |
| GAAR | General Anti-Avoidance Rule (tax Evasion) |
| CRTC | Canadian Radio-television And Telecommunications Commission |
| BOGOF | Buy One |
| CCITT | Comit? Consultatif International T?l?phonique Et T?l?graphique (French For International Telegraph And Telephone Consultative Committee |
| UYU | Uruguayan Peso Uruguayo (ISO 4217 Currency Code) |
| HP | IB -Hewlett-Packard Instrument/Interface Bus (first Implementation Of GP-IB |
| OR | Operating Room (surgery) - Operational/Operations Research -Oregon (postal Symbol) |
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