Miners in the tunnel, worker in dark conditions with a helmet, hard job exploring charcoal resources.
Palabras clave
miner,
mine,
industry,
coal,
helmet,
mining,
tunnel,
engineer,
dark,
mineral,
safety,
man,
person,
industrial,
construction,
engineering,
job,
work,
resource,
exploration,
hat,
working,
rock,
stone,
hard,
labor,
dirty,
employee,
earth,
machine,
machinery,
power,
uniform,
hard hat,
geology,
charcoal,
dangerous,
inside,
danger,
protective
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