градуированная шкала: 29 phrases in 13 subjects |
Dental implantology | 3 |
Electronics | 1 |
Firefighting and fire-control systems | 4 |
General | 2 |
Makarov | 4 |
Mass media | 2 |
Metrology | 1 |
Nanotechnology | 2 |
Navigation | 2 |
Rail transport | 1 |
Technology | 5 |
Thermal engineering | 1 |
Transport | 1 |