 |
| specific weight: 23 phrases in 15 subjects |
| Accounting | 1 |
| Aerodynamics | 2 |
| Agriculture | 2 |
| Automobiles | 1 |
| Aviation | 2 |
| Construction | 1 |
| Leather | 1 |
| Metallurgy | 1 |
| Military | 2 |
| Nanotechnology | 1 |
| Oil / petroleum | 3 |
| Pulp and paper industry | 1 |
| Seismology | 3 |
| Technology | 1 |
| Ventilation | 1 |