Water supply and sewerage
- 18.04.2023
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![Systems of internal water supply and sanitation of a residential building "in the discipline" Fundamentals of water supply and sanitation "](https://media.alldrawings.ru/media_autogenerated/items_in_category_thumb/prod/images/2023-03/30/8b5c362c-6f39-451e-8463-30eb1d88047a.png "Systems of internal water supply and sanitation of a residential building "in the discipline" Fundamentals of water supply and sanitation "")
