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| manhole; sump; pit | |||
| well | |||
| water well A well sunk to extract water from a zone of saturation; well A hole dug into the earth to reach a supply of water, oil, brine or gas | |||
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| well | |||
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studna : 47 do fraz, 4 tematyki |
| Budownictwo | 35 |
| Hydrologia | 2 |
| Melioracja | 1 |
| Rolnictwo | 9 |