 |
| return circuit: 58 phrases in 17 subjects |
| Aerohydrodynamics | 8 |
| Automated equipment | 1 |
| Bible | 4 |
| Combustion gas turbines | 1 |
| Communications | 9 |
| Computers | 1 |
| Electrical engineering | 2 |
| Electricity | 1 |
| Electronics | 11 |
| Makarov | 1 |
| Mass media | 2 |
| Mathematics | 1 |
| Metrology | 1 |
| Physics | 1 |
| Technology | 11 |
| Telecommunications | 1 |
| Transport | 2 |