 |
| unit weight: 101 phrase in 31 subjects |
| Aerohydrodynamics | 1 |
| Agriculture | 3 |
| Armored vehicles | 1 |
| Astronautics | 2 |
| Automobiles | 2 |
| Aviation | 5 |
| Biology | 1 |
| Building materials | 1 |
| Cement | 2 |
| Combustion gas turbines | 4 |
| Construction | 11 |
| Drilling | 1 |
| Economy | 1 |
| Electronics | 1 |
| Forestry | 2 |
| General | 6 |
| Geology | 1 |
| Hydraulic engineering | 3 |
| Makarov | 7 |
| Medical | 1 |
| Metallurgy | 4 |
| Metrology | 1 |
| Military | 5 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 6 |
| Polymers | 2 |
| Road works | 1 |
| Seismology | 11 |
| Technology | 11 |
| Water resources | 2 |