|
rigidity modulus : 21 phrases in 15 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Automobiles | 1 |
| Aviation | 2 |
| Combustion gas turbines | 1 |
| Construction | 4 |
| Geophysics | 1 |
| Makarov | 1 |
| Mathematics | 2 |
| Mechanic engineering | 1 |
| Nautical | 1 |
| Oil and gas | 2 |
| Pulp and paper industry | 1 |
| Thermal engineering | 1 |
| Wood processing | 1 |