high-concentration: 32 phrases in 17 subjects |
Analytical chemistry | 2 |
Automated equipment | 1 |
Chemistry | 3 |
Construction | 2 |
Drilling | 1 |
Ecology | 3 |
Energy industry | 3 |
Food industry | 1 |
Makarov | 6 |
Mathematics | 1 |
Nanotechnology | 2 |
Nuclear and fusion power | 1 |
Oilfields | 1 |
Production | 1 |
Programming | 1 |
Rail transport | 1 |
Technology | 2 |