Back view of mine workers wearing helmets
Palabras clave
person,
photo,
industry,
man,
adult,
horizontal,
occupation,
safety,
headwear,
backview,
adults only,
engineer,
hard hat,
working,
color image,
construction industry,
miner,
protection,
standing,
construction worker,
business,
danger,
mine,
technology,
equipment,
quarry,
engineering,
helmet,
material,
suit,
uniform,
businessman,
male,
tunnel,
underground,
coal,
outdoors,
day,
building contractor,
quality control,
chemist