 |
| pressure chart: 42 phrases in 14 subjects |
| Aviation | 1 |
| Construction | 2 |
| Drilling | 1 |
| Ecology | 2 |
| Firefighting and fire-control systems | 1 |
| General | 1 |
| Medical | 1 |
| Meteorology | 6 |
| Navigation | 3 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Refrigeration | 3 |
| Technology | 17 |
| Thermal engineering | 2 |