Smiling worker in a hard hat at a busy industrial site.
Palabras clave
men at work,
blueprint,
construct,
contractor,
employee,
employment,
engineering,
helmet,
inspect,
inspector,
machine,
maintenance,
mechanic,
repair,
safety,
technician,
track,
transport,
transportation,
working man,
builder,
checking,
customer service,
drawing,
industrial,
infrastructure,
mechanical,
people,
site,
switch,
way,
work,
business,
industry,
station,
technology,
train,
urban,
construction,
line,
metal,
rail
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