 |
| |||
| general authorization (ssn) | |||
| general: 116 phrases in 13 subjects |
| Abbreviation | 34 |
| Business | 1 |
| Energy industry | 1 |
| Information technology | 1 |
| Meteorology | 1 |
| Military | 6 |
| NASA | 1 |
| Rail transport | 63 |
| Technology | 2 |
| Trademark | 1 |
| United States | 1 |
| University | 2 |
| Veterinary medicine | 2 |