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коэффициент прочности : 91 phrases in 35 subjects |
| Acoustics | 1 |
| Apollo-Soyuz | 1 |
| Astronautics | 2 |
| Automated equipment | 1 |
| Aviation | 3 |
| Caspian | 2 |
| Cement | 1 |
| Construction | 20 |
| Drilling | 3 |
| Energy industry | 1 |
| General | 2 |
| Makarov | 3 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Military | 5 |
| Mining | 6 |
| Nanotechnology | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 4 |
| Polymers | 1 |
| Quality control and standards | 1 |
| Rail transport | 1 |
| Road surface | 1 |
| Sakhalin | 1 |
| Scientific | 3 |
| Seismology | 2 |
| Shipbuilding | 1 |
| Silicate industry | 1 |
| Technology | 13 |
| Textile industry | 1 |
| Transport | 1 |
| Weapons and gunsmithing | 1 |
| Welding | 1 |