 |
| optic network: 52 phrases in 14 subjects |
| Astronautics | 1 |
| Automated equipment | 3 |
| Aviation | 1 |
| Caspian | 2 |
| Communications | 1 |
| Computer networks | 27 |
| Computers | 1 |
| Energy industry | 2 |
| Information technology | 2 |
| Mass media | 4 |
| Military | 3 |
| Technology | 1 |
| Telecommunications | 1 |
| Tengiz | 3 |