 |
| oscillograph recording: 12 phrases in 10 subjects |
| Aerohydrodynamics | 2 |
| Astronautics | 2 |
| Combustion gas turbines | 1 |
| Drilling | 1 |
| Mass media | 1 |
| Metallurgy | 1 |
| Oilfields | 1 |
| Technology | 1 |
| Thermal engineering | 1 |
| Weapons and gunsmithing | 1 |
|
| oscillograph recording: 12 phrases in 10 subjects |
| Aerohydrodynamics | 2 |
| Astronautics | 2 |
| Combustion gas turbines | 1 |
| Drilling | 1 |
| Mass media | 1 |
| Metallurgy | 1 |
| Oilfields | 1 |
| Technology | 1 |
| Thermal engineering | 1 |
| Weapons and gunsmithing | 1 |