 |
| recording apparatus: 31 phrases in 16 subjects |
| Aerohydrodynamics | 2 |
| Automated equipment | 1 |
| Electronics | 1 |
| Fencing | 1 |
| Geophysics | 3 |
| Makarov | 3 |
| Measuring instruments | 4 |
| Metrology | 1 |
| Music | 1 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Oilfields | 1 |
| Pipelines | 3 |
| Polygraphy | 1 |
| Technology | 5 |
| Telecommunications | 1 |