Excavator dig the trenches at a construction site Trench for laying external sewer pipes Sewage drainage system for a multistory building Digging the pit foundation

Related tags:

• sewer
• drainage
• pipe
• digger
• excavator
• sewage
• pipeline
• loader
• plumbing
• pump
• hydraulic
• wastewater
• repair
• construction
• heavy
• construction industry
• underground
• construction site
• construction work
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