 |
| |||
| تساوى | |||
| |||
| التصحيحات | |||
| korekcja: 38 phrases in 9 subjects |
| Electric traction | 1 |
| Electronics | 13 |
| Environment | 2 |
| Power lines | 1 |
| Radio | 6 |
| Sound recording | 4 |
| Telegraphy | 8 |
| Vacuum tubes | 2 |
| Video recording | 1 |
|
| |||
| تساوى | |||
| |||
| التصحيحات | |||
| korekcja: 38 phrases in 9 subjects |
| Electric traction | 1 |
| Electronics | 13 |
| Environment | 2 |
| Power lines | 1 |
| Radio | 6 |
| Sound recording | 4 |
| Telegraphy | 8 |
| Vacuum tubes | 2 |
| Video recording | 1 |