A mining engineer with a beard stands in front of a mine, wearing a hard hat.
Palabras clave
man,
beard,
hard,
hat,
mining,
engineer,
mine,
industrial,
men at work,
safety,
gear,
professional,
occupation,
machinery,
construction,
hard-working,
equipment,
resource,
extraction,
site,
industry,
protection,
employment,
skilled,
operation,
excavation,
underground,
hazardous,
regulation,
process,
geologic,
survey,
exploration,
geology,
geologist,
mineral,
shoveling,
labor,
manpower,
career,
mineral,
entrance,
sector
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