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| czułość: 31 phrases in 10 subjects |
| Antennas and waveguides | 3 |
| Lighting other than cinema | 4 |
| Microsoft | 1 |
| Piezoelectric crystals | 1 |
| Radio | 4 |
| Radiobiology | 1 |
| Semiconductors | 3 |
| Sound recording | 4 |
| Vacuum tubes | 9 |
| Video recording | 1 |