Engineer and worker wearing safety helmet standing smiling in industrial plant.
Palabras clave
technician,
work,
men at work,
professional,
uniform,
portrait,
man,
protection,
machinery,
male,
job,
plant,
heavy,
production,
manufacture,
pipe,
manufacturing,
safety,
building,
occupation,
industrial,
engineer,
technology,
factory,
power,
gas,
helmet,
hard hat,
industry,
engineering,
energy,
crude oil,
maintenance,
control,
chemistry,
tank,
station,
refinery,
gasoline,
petrochemical,
equipment,
inspection,
fuel,
construction
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