 |
| chain up: 41 phrases in 15 subjects |
| Administrative law | 2 |
| Forestry | 4 |
| General | 6 |
| Makarov | 10 |
| Mathematics | 1 |
| Military | 4 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Programming | 3 |
| Rail transport | 1 |
| Technology | 1 |
| Textile industry | 3 |