Construction hard hat warning sign, triangular hazard symbol.
Schlüsselwörter
construction,
hard,
hat,
warning,
signs,
triangular,
hazard,
symbol,
helmet,
safety,
protection,
industrial,
men at work,
site,
engineering,
equipment,
caution,
danger,
yellow,
black,
icon,
alert,
attention,
secure,
flat,
vector,
simple,
isolated,
background,
building
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