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| collector; manifold; municipal facilities tunnel; weeper drain | |||
| carrier bed; carrier rock; container rock; reservoir; reservoir rock | |||
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kolektor : 16 do fraz, 5 tematyki |
| Budownictwo | 3 |
| Ekonomia | 1 |
| Microsoftu | 1 |
| Nauki przyrodnicze | 5 |
| Ochrona środowiska | 6 |