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| fairly serious accident, catastrophe; moderately difficult; moderately heavy e.g. suitcase; moderately severe; of medium difficulty; of moderate difficulty | |||
| medium-dense | |||
| middle weight; medium heavy | |||
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mittelschwer : 23 do fraz, 11 tematyki |
| Budownictwo | 4 |
| Chemia | 2 |
| Farmacja i farmakologia | 1 |
| Górnictwo | 1 |
| Hutnictwo | 2 |
| Pospolicie | 2 |
| Przemysł | 4 |
| Przemysł energetyczny | 1 |
| Rolnictwo | 3 |
| Technika i technologia | 2 |
| Transport | 1 |