Structure of steel roof.
Schlüsselwörter
architecture,
assembly,
background,
building,
building exterior,
built structure,
construction,
construction industry,
construction site,
design,
engineer,
frame,
house,
industry,
material,
metal,
modern,
no people,
outdoors,
pattern,
photo,
prefabricated building,
roof beam,
shadow,
sky,
structure,
truss,
vertical,
working
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