 |
| انحراف: 46 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Electric traction | 2 |
| Electricity generation | 1 |
| Electronics | 11 |
| Isolation | 1 |
| Lighting other than cinema | 5 |
| Mathematics | 1 |
| Power lines | 1 |
| Sound recording | 2 |
| Statistics | 6 |
| Thermal Energy | 3 |
| Vacuum tubes | 12 |