 |
| 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 |