 |
| information distribution system: 33 phrases in 5 subjects |
| Aviation | 1 |
| Energy industry | 1 |
| Military | 25 |
| Security systems | 1 |
| Technology | 5 |
|
| information distribution system: 33 phrases in 5 subjects |
| Aviation | 1 |
| Energy industry | 1 |
| Military | 25 |
| Security systems | 1 |
| Technology | 5 |