primary circuit : 71 phrases in 21 subjects |
Astronautics | 2 |
Automobiles | 2 |
Caspian | 1 |
Cement | 3 |
Construction | 2 |
Electrical engineering | 5 |
Electronics | 4 |
Energy industry | 9 |
Firefighting and fire-control systems | 1 |
General | 3 |
Makarov | 4 |
Mass media | 2 |
Military | 1 |
Natural resourses and wildlife conservation | 1 |
Nautical | 1 |
Nuclear and fusion power | 18 |
Nuclear physics | 2 |
Pumps | 1 |
Technology | 6 |
Thermal engineering | 1 |
Transport | 2 |