 |
|
specific pressure : 24 phrases in 17 subjects |
| Automobiles | 2 |
| Aviation | 2 |
| Machinery and mechanisms | 1 |
| Mathematics | 1 |
| Measuring instruments | 1 |
| Metallurgy | 1 |
| Metrology | 2 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Plastics | 2 |
| Refrigeration | 1 |
| Roll stock | 2 |
| Space | 1 |
| Technology | 3 |