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| high-pressure air: 50 phrases in 19 subjects |
| Astronautics | 2 |
| Aviation | 3 |
| Cement | 1 |
| Construction | 4 |
| Energy industry | 1 |
| Gas processing plants | 3 |
| Makarov | 2 |
| Mathematics | 1 |
| Medical | 2 |
| Military | 2 |
| Nautical | 6 |
| Oil / petroleum | 2 |
| Oil and gas | 2 |
| Refrigeration | 4 |
| Sakhalin S | 2 |
| Shipbuilding | 2 |
| Submarines | 2 |
| Technology | 8 |
| Transport | 1 |