construction of steel structures
Schlüsselwörter
steel,
girder,
industry,
construction,
site,
framework,
exterior,
building,
structural,
nobody,
sky,
metal,
structure,
beam,
industrial,
blue,
frame,
roof,
strength,
truss,
skeleton,
unfinished,
assembled,
material,
geometry,
strong,
steelwork,
joint,
rolled,
horizontal,
high,
member,
block,
tower,
architecture,
new,
bolt,
skyscraper,
joist,
grey,
unit,
background,
spar,
sturdy,
warehousing,
design,
manufacturing,
workshop,
engineering
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