 |
| eficiência: 190 phrases in 26 subjects |
| Agriculture | 3 |
| Brazil | 3 |
| Chemistry | 3 |
| Coal | 1 |
| Communications | 6 |
| Earth sciences | 13 |
| Economy | 6 |
| Electronics | 26 |
| Energy industry | 26 |
| Environment | 12 |
| Finances | 13 |
| Fish farming pisciculture | 1 |
| General | 10 |
| Health care | 7 |
| Information technology | 2 |
| Life sciences | 1 |
| Materials science | 1 |
| Mathematics | 6 |
| Mechanic engineering | 1 |
| Medical | 3 |
| Metallurgy | 1 |
| Microsoft | 1 |
| Natural sciences | 4 |
| Statistics | 30 |
| Trade unions | 2 |
| Transport | 8 |