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ciekły : 43 phrases in 10 subjects |
| Ceramics | 2 |
| Chemistry | 21 |
| Cultural studies | 1 |
| Electricity generation | 2 |
| Environment | 4 |
| Oil / petroleum | 1 |
| Thermal Energy | 6 |
| Transport | 2 |
| Vacuum tubes | 3 |
| Waste management | 1 |
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