Concrete culvert sections stacked beside a road construction trench, workers preparing drainage installation with gravel bedding and safety fencing, culvert sections, road drainage,
Schlüsselwörter
culvert,
concrete,
road,
construction,
trench,
drainage,
men at work,
gravel,
fenced,
installation,
section,
bedding,
excavation,
infrastructure,
civil,
engineering,
pipe,
utility,
safety,
site,
equipment,
landscape,
roadwork
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