 |
| снятие напряжения: 30 phrases in 15 subjects |
| Chemistry | 1 |
| Construction | 1 |
| Electronics | 3 |
| General | 1 |
| Medical appliances | 1 |
| Metallurgy | 1 |
| Missiles | 1 |
| Power system protection | 1 |
| Psychology | 1 |
| Rail transport | 3 |
| Shipbuilding | 5 |
| Silicate industry | 1 |
| Sports | 1 |
| Technology | 3 |
| Welding | 6 |