Trestle for engineering pipelines.
Schlüsselwörter
background,
blue,
building,
chemical,
construction,
ecology,
energy,
engineering,
environment,
factory,
frame,
fuel,
gas,
industrial,
industry,
metal,
oil,
pipe,
pipeline,
plant,
power,
sky,
steel,
structure,
technology,
tower,
wire
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