Construction site with crane building.
Schlüsselwörter
construction,
crane,
building,
site,
equipment,
architecture,
engineering,
skyscraper,
development,
excavation,
framework,
infrastructure,
urban,
planning,
design,
industry,
heavy,
machinery,
steel,
structure,
scaffolding,
tower,
boom,
hoist,
lift,
rigging,
pulley,
winch,
hook,
block,
load,
weight,
capacity,
operation,
men at work,
labor,
job,
safety,
gear,
mechanism,
metal,
iron,
welding,
beam,
column
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