| Acronym | Meaning |
 | MT | Malta (FIPS 10-4 Country Code; ISO 3166 Digram) - Megatesla - Montana (postal Symbol) -Motor Transport (military) |
| OTA | Office Of Technology Assessment -Orthodontic Technicians Association |
| GAW | Global Atmospheric Watch |
| SECAM | S?quentiel Couleur ? M?moire (French For Colour Sequential With Memory; TV Standard |
| CART | Championship Auto Racing Teams (now Defunct) |
| C2C | The British Rail Company Formerly Known As LTS Rail |
| RQ | Puerto Rico (FIPS 10-4 Territory Code) |
| MLK | Martin Luther King |
| NLW | Non-Lethal Weapon |
| G20 | Group Of 20 (G8 + Argentina |
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