Industrial workers operating heavy machinery.
Schlüsselwörter
industry,
factory,
men at work,
machinery,
manufacturing,
production,
engineering,
mechanic,
technology,
equipment,
industrial,
plant,
workshop,
tool,
machine,
gear,
engine,
assembly,
construction,
labor,
manpower,
occupation,
job,
employment,
business,
operation,
maintenance,
repair,
service,
assembly line,
workflow,
efficiency,
productivity,
safety,
gear,
wheel,
metal,
steel,
industrialization,
development,
progress
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