Stacks of black plastic pipes. Round ends close up.
Palabras clave
abstract,
background,
big,
black,
canalization,
grooved,
circle,
closeup,
conduit,
construction,
cylinder,
drain,
duct,
engineering,
equipment,
gas,
group,
gully,
industrial,
industry,
iron,
large,
long,
material,
oil,
piled,
pipe,
pipeline,
piping,
plastic,
round,
rust-eaten,
sewage,
spiral,
stack,
steel,
structure,
texture,
tube,
tunnel,
water
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