 |
| increase pressure: 39 phrases in 18 subjects |
| Apollo-Soyuz | 4 |
| Construction | 1 |
| Drilling | 1 |
| Foreign policy | 1 |
| General | 4 |
| Makarov | 4 |
| Mathematics | 1 |
| Medical | 3 |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oil processing plants | 5 |
| Psychology | 1 |
| Refrigeration | 1 |
| Technology | 4 |