 |
| dip angle: 62 phrases in 23 subjects |
| Astronomy | 2 |
| Aviation | 2 |
| Cartography | 1 |
| Caspian | 1 |
| Construction | 3 |
| Electricity | 3 |
| Electronics | 1 |
| General | 3 |
| Geology | 4 |
| Geophysics | 11 |
| Gold mining | 1 |
| Makarov | 2 |
| Mass media | 1 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Mining | 2 |
| Nautical | 1 |
| Navigation | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 8 |
| Oilfields | 1 |
| Seismology | 1 |
| Technology | 5 |