Steel roof truss workers.
Palabras clave
strength,
activity,
architecture,
beautiful,
blue,
bonded,
builder,
building,
cloud,
construct,
construction,
contractor,
day,
elevation,
engineering,
factory,
framework,
high,
house,
huge,
industrial,
job,
male,
man,
man,
metal,
modern,
people,
perspective,
pole,
preparation,
project,
roof,
safety,
scaffold,
scene,
site,
sky,
steel,
structural,
structure,
tool,
top,
white,
wood,
work,
men at work,
working
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