Three hard hats on blueprint, safety gear for construction workers.
Palabras clave
hard,
hat,
helmet,
safety,
construction,
men at work,
build,
engineer,
architect,
blueprint,
clothing,
workwear,
practice,
three,
trust,
civil,
workplace,
zone,
first,
control,
measure,
train,
worksite,
estate,
culture,
standard,
code,
conscious,
project,
dress,
best,
yellow,
outfit,
permit,
career,
signs,
growth,
success,
labor,
teamwork,
repair,
headwear,
2,
progress,
hazard,
future,
health,
service
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