| 摘要 |
The block comprises empty pipes and several chambers. The lowest chamber (4) is used for water and is filled with insulating material. The energy supply block is installed in a supply trench with a sand covering (5). The first chamber (6) is used for post and electricity, with the second chamber (7) being used for gas, and a free pipe for a further utility. A third chamber (8) is used for water piping, and an intermediate insert (9) or separating plate separates the individual elements in the block.
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