installation concrete sewer wells and pipe drainage the ground laying heating pipes trench construction site cold | 
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| navigate by keyword : civil communication conduit connection construction site dig ditch drainage pipe system earth engineering excavation fitting ground works groundworks heat heating systems industrial industry installation laying network pipeline pipes piping pit plastic plumbing pumping replacement sanitary sewer sewage wells sewerage storm trench underground warming water main		 | 
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| Installation of concrete sewer wells and pipe drainage in the ground. Laying heating pipes in a trench at construction site. Cold and hot water, heating and heating system of apartments in the house | 
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