 |
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| فعال | |||
| effektiv: 39 phrases in 16 subjects |
| Antennas and waveguides | 2 |
| Electric traction | 1 |
| Electronics | 3 |
| Lighting other than cinema | 2 |
| Magnetics | 6 |
| Mathematics | 4 |
| Microsoft | 2 |
| Power lines | 1 |
| Radio | 3 |
| Radiology | 2 |
| Satellite communications | 1 |
| Semiconductors | 1 |
| Sound recording | 3 |
| Statistics | 3 |
| Telegraphy | 4 |
| Welding | 1 |