Concrete drainage pipe and manhole.
Schlüsselwörter
aqueduct,
build,
business,
cement,
circular,
concrete,
connecting,
construction,
construction industry,
construction material,
culvert,
development,
dig,
dirty,
ditch,
drain,
drainage,
drainpipe,
equipment,
hole,
industrial,
industry,
irrigation,
joint,
manhole,
material,
object,
outdoors,
pipe,
plumbing,
preparation,
road,
round,
sewage,
sewer,
site,
dirtied,
system,
tank,
tube,
under,
unfinished,
water,
waterspout,
workplace
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