 |
| compression pressure: 21 phrases in 14 subjects |
| Automated equipment | 1 |
| Automobiles | 3 |
| Drilling | 1 |
| Economy | 1 |
| Energy industry | 1 |
| Engines | 1 |
| General | 2 |
| Measuring instruments | 1 |
| Military | 1 |
| Oil and gas | 1 |
| Plastics | 3 |
| Polymers | 2 |
| Refrigeration | 1 |
| Thermal engineering | 2 |