 |
| maximum: 264 phrases in 47 subjects |
| Accounting | 1 |
| Agriculture | 10 |
| Antennas and waveguides | 6 |
| Astronautics | 1 |
| Automatic control | 1 |
| Banking | 2 |
| Chemistry | 5 |
| Construction | 20 |
| Earth sciences | 1 |
| Economy | 5 |
| Electric motors | 1 |
| Electric traction | 11 |
| Electrical engineering | 4 |
| Electricity generation | 5 |
| Electronics | 32 |
| Energy industry | 1 |
| Environment | 3 |
| European Union | 1 |
| Finances | 8 |
| Food industry | 9 |
| Forestry | 3 |
| General | 13 |
| Health care | 1 |
| Information technology | 1 |
| Magnetics | 1 |
| Mathematics | 22 |
| Medical | 6 |
| Microsoft | 4 |
| Mineral products | 3 |
| Nuclear physics | 1 |
| Pharmacy and pharmacology | 1 |
| Piezoelectric crystals | 3 |
| Politics | 1 |
| Power lines | 6 |
| Power system protection | 3 |
| Radio | 3 |
| Radiology | 8 |
| Sound recording | 7 |
| Statistics | 2 |
| Superconductivity | 1 |
| Technology | 4 |
| Telegraphy | 1 |
| Transformers | 2 |
| Transport | 25 |
| Vacuum tubes | 6 |
| Welding | 8 |
| Wind Energy | 1 |