Workers put up panels in the construction of the roof of an industrial building
Schlüsselwörter
men at work,
panel,
construction,
roof,
industrial,
building,
installation,
assembly,
framework,
steel,
site,
progress,
development,
structure,
project,
work,
metal,
team,
tool,
equipment,
height,
safety,
labor,
contractor,
builder,
industry,
engineering,
material,
scaffolding,
elevation,
infrastructure,
technology,
innovation,
manufacturing,
production,
network,
security,
shadow,
silhouette,
lighting,
natural light
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