Construction Workers on Site
Palabras clave
construction,
men at work,
industrial,
site,
safety,
man,
teamwork,
engineering,
industry,
helmet,
manual,
labor,
team,
uniform,
sharpened,
crew,
work,
yellow,
orange,
blue,
green,
equipment,
machinery,
background,
protective,
building,
group,
engineer,
cooperation,
project,
urban,
people,
professional,
tied-up,
activity
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