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conventionele | fossiele brandstof
| fossiele brandstof | |
| econ. | paliwo kopalne |
| conventionele: 17 phrases in 8 subjects |
| Commerce | 4 |
| Communications | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Environment | 2 |
| Finances | 1 |
| General | 5 |
| Information technology | 2 |