 |
| rectificado: 71 phrases in 20 subjects |
| Agriculture | 8 |
| Chemistry | 1 |
| Construction | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 5 |
| Energy industry | 1 |
| Environment | 2 |
| Food industry | 1 |
| General | 3 |
| Industry | 7 |
| Materials science | 2 |
| Mathematics | 4 |
| Mechanic engineering | 9 |
| Metallurgy | 18 |
| Politics | 1 |
| Power electronics | 2 |
| Scientific | 1 |
| Statistics | 2 |
| Transport | 1 |