A construction safety hard hat with engineer plans on top of blueprints.
Schlüsselwörter
blueprint,
safety-gear,
building project,
construction industry,
building construction,
construction,
helmet,
hat,
blueprint,
architecture,
hard hat,
project,
equipment,
safety,
architect,
protection,
industry,
engineering,
drawing,
engineer,
yellow,
men at work,
protective,
plan,
work,
design,
plan
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