| Acronym | Meaning |
| GEC | Great Engineering Challenge |
| PFE | Permanent Forest Estate |
| FRY | Federal Republic Of Yugoslavia |
| ADS | Active Denial System - Astrophysics Data System - Attention Deficit Syndrome |
| SI | Slovenia (ISO 3166 And FIPS 10-4 Country Code Digram) -Socialist International - Sports Illustrated - Syst?me International (French |
| CERGA | Centre De Recherches En G?odynamique Et Astrom?trie (French |
| AT | Attotesla |
| NCA | National Command Authority |
| HETT | Heavy Equipment Transporting Truck / Heavy Equipment Truck Tractor |
| KR | Kiribati (FIPS 10-4 Country Code) - Republic Of Korea (ISO 3166 Digram) |