A bright yellow caution sign warns about a hard hat area near a construction site, with workers in the background and equipment visible.
Schlüsselwörter
caution,
safety,
construction,
hard hat,
men at work,
responsibility,
labor,
secure,
risk,
teamwork,
management,
maintenance,
helmet,
infrastructure,
traffic,
engineering,
protection,
hazard,
site,
warning,
signage,
manpower,
compliance,
manual,
regulation,
supervision,
alert,
precaution,
excavation,
duty,
industry,
urban,
area,
equipment,
visible,
environment,
building
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