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| czerń | |||
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| czarna | |||
| Schwarzer: 71 phrases in 17 subjects |
| Agriculture | 12 |
| Botany | 1 |
| Chemistry | 4 |
| Construction | 1 |
| Entomology | 6 |
| Environment | 2 |
| Fish farming pisciculture | 9 |
| Forestry | 2 |
| Law | 3 |
| Life sciences | 11 |
| Lighting other than cinema | 3 |
| Microsoft | 4 |
| Nuclear physics | 1 |
| Radio | 1 |
| Telegraphy | 7 |
| Vacuum tubes | 3 |
| Zootechnics | 1 |