strained relation : 37 phrases in 18 subjects |
Aerohydrodynamics | 1 |
Aviation | 1 |
Building materials | 1 |
Construction | 2 |
Diplomacy | 2 |
General | 1 |
Geophysics | 1 |
International relations | 1 |
Makarov | 10 |
Mathematics | 2 |
Mechanics | 3 |
Metallurgy | 1 |
Oil and gas | 1 |
Physics | 1 |
Plastics | 1 |
Politics | 3 |
Seismology | 1 |
Technology | 4 |