Close up of pipeline construction showing concrete pipes covered with soil and gravel, illustrating underground infrastructure development
Schlüsselwörter
pipeline,
construction,
concrete,
dirtied,
infrastructure,
underground,
development,
engineering,
building,
industry,
trench,
excavation,
ground,
earth,
layer,
utility,
pipe,
industrial,
site,
project,
civil,
dirt,
gravel,
land,
resource,
environment,
geology,
cross,
section,
digging,
heavy,
equipment,
machinery
Deutsch
