 |
| efficienza: 237 phrases in 42 subjects |
| Accumulators | 2 |
| Agriculture | 7 |
| Antennas and waveguides | 7 |
| Astronomy | 1 |
| Chemistry | 5 |
| Communications | 16 |
| Construction | 1 |
| Earth sciences | 5 |
| Ecology | 1 |
| Economy | 18 |
| Electronics | 19 |
| Energy industry | 30 |
| Environment | 15 |
| Finances | 10 |
| Fish farming pisciculture | 1 |
| Food industry | 1 |
| General | 12 |
| Information technology | 6 |
| Labor law | 1 |
| Law | 4 |
| Life sciences | 1 |
| Lighting other than cinema | 2 |
| Marketing | 2 |
| Mathematics | 16 |
| Mechanic engineering | 3 |
| Medical | 7 |
| Microsoft | 1 |
| Natural sciences | 1 |
| Nuclear physics | 3 |
| Pharmacy and pharmacology | 1 |
| Politics | 2 |
| Scientific | 1 |
| Sound recording | 4 |
| Statistics | 13 |
| Technology | 1 |
| Telegraphy | 1 |
| Thermal Energy | 2 |
| Transport | 7 |
| United Nations | 1 |
| Vacuum tubes | 1 |
| Water resources | 2 |
| Work flow | 3 |