construction of steel structures
Palabras clave
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