 |
| surface normal: 55 phrases in 19 subjects |
| Astronautics | 1 |
| Construction | 1 |
| Electronics | 2 |
| Geology | 2 |
| Hydraulic engineering | 7 |
| Hydrology | 1 |
| Lasers | 1 |
| Makarov | 12 |
| Mathematics | 8 |
| Military | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Physics | 2 |
| Rail transport | 1 |
| Seismology | 1 |
| Statistics | 2 |
| Submarines | 1 |
| Technology | 9 |
| Telecommunications | 1 |