 |
| |||
| perfuração a oxigénio; rebarba interna; lança de oxigénio | |||
| piercing: 38 phrases in 11 subjects |
| Cables and cable production | 3 |
| Chemistry | 1 |
| Electrical engineering | 3 |
| Electronics | 4 |
| General | 7 |
| Immigration and citizenship | 1 |
| Labor law | 1 |
| Materials science | 1 |
| Mechanic engineering | 2 |
| Metallurgy | 14 |
| Transport | 1 |