Blue collar workers are working at metal factory.
Palabras clave
working class,
man,
engineering,
engineer,
occupation,
working,
business,
expertise,
metal,
metal industry,
steel mill,
steel,
manufacturing,
workshop,
work tool,
teamwork,
two people,
safety,
welding,
machinery,
co-worker,
industrial building,
technology,
assembly line,
factory,
industry,
male,
skill,
concentration,
adult,
people
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