Underground Insulated District Heating Pipes in Construction Trench With Valves and Connections.
Keywords
pipe,
pipeline,
insulated,
trench,
construction,
connection,
infrastructure,
utility,
excavation,
installation,
maintenance,
industrial,
underground,
heating,
network,
thermal,
repair,
site,
worksite,
engineering,
mechanical,
construction site,
dirtied,
dirt,
sand,
manhole,
fitting,
junction,
tree branch,
plastic,
metal,
insulation,
urban,
public works,
technology