 |
|
delay circuit : 56 phrases in 16 subjects |
| Air defense | 1 |
| Automated equipment | 5 |
| Computers | 1 |
| Electrical engineering | 3 |
| Electronics | 14 |
| Information technology | 3 |
| Mass media | 6 |
| Mathematics | 1 |
| Mining | 1 |
| Nautical | 1 |
| Non-destructive testing | 1 |
| Radiation | 5 |
| Radioengineering | 2 |
| Rail transport | 2 |
| Shipbuilding | 2 |
| Technology | 8 |