Construction crane lifting building materials high.
Schlüsselwörter
construction,
crane,
building,
material,
lifting,
heavy,
industry,
architecture,
engineering,
skyscraper,
development,
site,
work,
equipment,
machinery,
steel,
beam,
girder,
hoist,
rigging,
scaffolding,
framework,
structure,
tower,
boom,
pulley,
winch,
hook,
block,
load,
weight,
metal,
iron,
industrial,
city,
urban,
growth,
progress,
excavation,
foundation,
cement,
concrete,
men at work,
labor,
job
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