 |
| encravamentos: 97 phrases in 15 subjects |
| Automatic control | 1 |
| Chemistry | 2 |
| Communications | 10 |
| Earth sciences | 1 |
| Electric traction | 3 |
| Electrical engineering | 3 |
| Electronics | 11 |
| General | 2 |
| Information technology | 1 |
| Mechanic engineering | 11 |
| Medical | 1 |
| Rail transport | 11 |
| Risk Management | 1 |
| Technology | 1 |
| Transport | 38 |