 |
|
message-exchange : 47 phrases in 15 subjects |
| Computer networks | 1 |
| Computers | 2 |
| Diplomacy | 1 |
| Electronics | 1 |
| Information security and data protection | 1 |
| International transportation | 1 |
| Makarov | 2 |
| Mass media | 4 |
| Microsoft | 2 |
| Military | 10 |
| Programming | 3 |
| Radio | 1 |
| Security systems | 1 |
| Technology | 10 |
| Telecommunications | 7 |