 |
| environmental conditions: 47 phrases in 22 subjects |
| Aviation medicine | 2 |
| Caspian | 2 |
| Construction | 1 |
| Drilling | 1 |
| Ecology | 7 |
| Electrical engineering | 2 |
| Environment | 3 |
| European Union | 1 |
| General | 4 |
| Horticulture | 1 |
| Makarov | 1 |
| Mathematics | 1 |
| Military | 6 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Programming | 1 |
| Quality control and standards | 3 |
| Research and development | 1 |
| Sakhalin | 1 |
| Technology | 3 |
| Telecommunications | 1 |