 |
| voltage level: 52 phrases in 14 subjects |
| Antennas and waveguides | 1 |
| Astronautics | 1 |
| Electrical engineering | 1 |
| Electronics | 13 |
| Energy system | 4 |
| General | 2 |
| Mass media | 2 |
| Measuring instruments | 1 |
| Medical | 1 |
| Military | 1 |
| Oil / petroleum | 1 |
| Technology | 20 |
| Telecommunications | 3 |
| Transport | 1 |