 |
| |||
| faísca eléctrica | |||
| chispa: 60 phrases in 15 subjects |
| Chemistry | 2 |
| Coal | 1 |
| Communications | 1 |
| Earth sciences | 4 |
| Electronics | 9 |
| Energy industry | 4 |
| General | 3 |
| Labor law | 2 |
| Law | 1 |
| Materials science | 2 |
| Mechanic engineering | 11 |
| Metallurgy | 11 |
| Technology | 2 |
| Thermal Energy | 1 |
| Transport | 6 |