The process of laying of engineering and heating systems. Two black plastic pipes are in a trench of sand in perspective.
Schlüsselwörter
pipe,
pipeline,
sand,
infrastructure,
tube,
underground,
construction,
network,
civil,
protective,
earth,
power,
brown,
new,
valva,
line,
sewer,
lay,
supply,
plastic,
black,
technology,
dig,
conduit,
equipment,
canal,
sewage,
energy,
round,
industrial,
installation,
dirt,
trench,
excavation,
connect,
track,
work,
danger,
industry,
heat,
ground,
site,
communication
Deutsch
