Steel frame structure
Palabras clave
site,
concrete,
technology,
crane,
construction,
business,
modern,
sky,
architecture,
work,
building,
wall,
industry,
steel,
activity,
large,
engineering,
panel,
architectural,
cement,
men at work,
technique,
worksite,
bracing,
roof,
big,
truss,
polycarbonate,
galvanised,
metal