 |
| perfuração: 235 phrases in 29 subjects |
| Cables and cable production | 3 |
| Chemistry | 6 |
| Coal | 34 |
| Communications | 7 |
| Construction | 4 |
| Cultural studies | 1 |
| Earth sciences | 7 |
| Economy | 2 |
| Electrical engineering | 3 |
| Electronics | 16 |
| Energy industry | 3 |
| Environment | 13 |
| Forestry | 1 |
| General | 5 |
| Health care | 3 |
| Industry | 19 |
| Information technology | 21 |
| Life sciences | 7 |
| Materials science | 2 |
| Mechanic engineering | 14 |
| Medical | 12 |
| Metallurgy | 25 |
| Mining | 1 |
| Natural sciences | 4 |
| Oil / petroleum | 13 |
| Semiconductors | 3 |
| Telegraphy | 1 |
| Transport | 3 |
| Work flow | 2 |