worker miner underground during working day, back to camera
Palabras clave
men at work,
miner,
back,
camera,
occupation,
industry,
labor,
hard hat,
helmet,
uniform,
job,
manual,
labourer,
mining,
coal,
extraction,
industrial,
safety,
professional,
manpower,
tool,
equipment,
male,
man,
blue-collar,
hard-working,
laboring,
tough,
hard-wearing,
heavy duty
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