 |
| derivação: 145 phrases in 21 subjects |
| Antennas and waveguides | 2 |
| Brazil | 5 |
| Cables and cable production | 13 |
| Communications | 15 |
| Construction | 10 |
| Earth sciences | 9 |
| Electric motors | 3 |
| Electrical engineering | 2 |
| Electricity generation | 3 |
| Electronics | 32 |
| Energy industry | 2 |
| General | 1 |
| Information technology | 12 |
| Mechanic engineering | 13 |
| Medical | 4 |
| Patents | 1 |
| Power lines | 2 |
| Statistics | 1 |
| Technology | 3 |
| Transformers | 1 |
| Transport | 11 |