 |
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| amplificateur d'antenne | |||
| amplificateur; renforceur-faciliteur | |||
| wzmacniacz: 43 phrases in 12 subjects |
| Automatic control | 2 |
| Chemistry | 1 |
| Electric motors | 2 |
| Electronics | 11 |
| Nuclear physics | 2 |
| Photography | 2 |
| Radio | 14 |
| Radiobiology | 1 |
| Radiology | 2 |
| Sound recording | 1 |
| Telephony | 2 |
| Vacuum tubes | 3 |