 |
| parafuso: 637 phrases in 23 subjects |
| Agriculture | 20 |
| Antennas and waveguides | 2 |
| Chemistry | 42 |
| Coal | 2 |
| Construction | 6 |
| Earth sciences | 4 |
| Economy | 1 |
| Electric traction | 1 |
| Electrical engineering | 3 |
| Electronics | 9 |
| General | 9 |
| Industry | 75 |
| Information technology | 2 |
| International trade | 1 |
| Life sciences | 26 |
| Materials science | 8 |
| Mechanic engineering | 374 |
| Medical | 6 |
| Metallurgy | 16 |
| Patents | 1 |
| Technology | 12 |
| Thermal Energy | 1 |
| Transport | 16 |