 |
| pressure manifold: 77 phrases in 18 subjects |
| Aeronautics | 1 |
| Astronautics | 2 |
| Automobiles | 11 |
| Aviation | 4 |
| Combustion gas turbines | 1 |
| Electrical engineering | 2 |
| Energy industry | 3 |
| Firefighting and fire-control systems | 1 |
| Military | 2 |
| Molikpaq | 6 |
| Nautical | 3 |
| Oil / petroleum | 5 |
| Oil and gas | 2 |
| Oilfields | 2 |
| Polymers | 1 |
| Rail transport | 1 |
| Shipbuilding | 2 |
| Technology | 28 |