 |
| elevation difference: 22 phrases in 12 subjects |
| Artillery | 1 |
| Astronautics | 1 |
| Cartography | 3 |
| Electronics | 1 |
| Geology | 1 |
| Makarov | 3 |
| Military | 3 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 3 |
| Thermal engineering | 2 |
|
| elevation difference: 22 phrases in 12 subjects |
| Artillery | 1 |
| Astronautics | 1 |
| Cartography | 3 |
| Electronics | 1 |
| Geology | 1 |
| Makarov | 3 |
| Military | 3 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 3 |
| Thermal engineering | 2 |