Back view of mine workers wearing helmets
Palabras clave
horizontal,
people,
headwear,
adult,
adults only,
engineer,
safety,
hard hat,
occupation,
working,
manager,
industry,
outdoors,
female,
male,
professional occupation,
backview,
engineering,
man,
walking,
miner,
siam,
employee,
business,
equipment,
expertise,
indoor,
protection,
technology,
construction industry,
co-worker,
planning,
two people,
woman,
construction worker,
underground,
color image,
construction site
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