a group of workers in work clothes and helmets, rear view
Palabras clave
man,
profession,
back,
uniform,
equipment,
workwear,
drilling,
manufacturing,
refinery,
adult,
work,
factory,
men at work,
helmet,
man,
protection,
people,
engineer,
hard,
hat,
industry,
caucasian,
business,
service,
machine,
industrial,
technology,
inspector,
pump,
health,
electric,
men at work,
panel,
power,
construction,
oil,
winter,
snow,
frost
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