 |
| передача ключа: 41 phrases in 15 subjects |
| Automobiles | 1 |
| Communications | 1 |
| Cryptography | 3 |
| Electronics | 2 |
| Information security and data protection | 8 |
| Information technology | 1 |
| Mass media | 2 |
| Meteorology | 1 |
| Military | 1 |
| Quantum mechanics | 1 |
| Security systems | 10 |
| Technology | 3 |
| Telecommunications | 2 |
| Telegraphy | 2 |
| Transport | 3 |