 |
| Eficiência: 178 phrases in 31 subjects |
| Accumulators | 2 |
| Agriculture | 3 |
| Antennas and waveguides | 6 |
| Automatic control | 1 |
| Brazil | 3 |
| Chemistry | 3 |
| Communications | 1 |
| Earth sciences | 6 |
| Economy | 3 |
| Electric motors | 4 |
| Electronics | 23 |
| Energy industry | 23 |
| Environment | 13 |
| Finances | 9 |
| Fish farming pisciculture | 1 |
| General | 7 |
| Health care | 6 |
| Industry | 3 |
| Information technology | 1 |
| Life sciences | 3 |
| Lighting other than cinema | 10 |
| Materials science | 1 |
| Mathematics | 9 |
| Medical | 1 |
| Metallurgy | 1 |
| Microsoft | 1 |
| Natural sciences | 3 |
| Statistics | 21 |
| Technology | 2 |
| Trade unions | 2 |
| Transport | 6 |