 |
|
loop circuit : 52 phrases in 16 subjects |
| Air defense | 1 |
| Automated equipment | 1 |
| Automatic control | 2 |
| Aviation | 1 |
| Computers | 2 |
| Electronics | 2 |
| Military | 1 |
| Nautical | 2 |
| Nuclear and fusion power | 7 |
| Pulp and paper industry | 1 |
| Rail transport | 1 |
| Robotics | 1 |
| Space | 1 |
| Technology | 20 |
| Telecommunications | 8 |
| Thermal engineering | 1 |