 |
| revestimento: 435 phrases in 29 subjects |
| Agriculture | 8 |
| Antennas and waveguides | 3 |
| Cables and cable production | 1 |
| Chemistry | 59 |
| Coal | 2 |
| Construction | 42 |
| Earth sciences | 12 |
| Economy | 6 |
| Electric motors | 1 |
| Electronics | 23 |
| Energy industry | 2 |
| Environment | 5 |
| Food industry | 1 |
| Forestry | 3 |
| General | 5 |
| Health care | 2 |
| Industry | 84 |
| Information technology | 4 |
| Life sciences | 3 |
| Materials science | 31 |
| Mechanic engineering | 15 |
| Metallurgy | 57 |
| Municipal planning | 3 |
| Natural sciences | 1 |
| Patents | 8 |
| Pharmacy and pharmacology | 1 |
| Physical sciences | 1 |
| Technology | 31 |
| Transport | 21 |