Professional worker in protective uniform and hardhat standing by pipes and checking pressure inside gasoline refinery plant.
Schlüsselwörter
crude oil,
petrochemical,
refinery,
men at work,
portrait,
working man,
man,
engineer,
factory,
plant,
pipeline,
power plant,
energy,
photogenic,
industry,
energetic,
gas,
natural,
lpg,
storage,
transport,
supervisor,
caucasian,
industrial,
source,
pipe,
production,
maintenance,
checking,
control,
inspecting,
employee,
foreman,
hard hat,
glove,
protection,
earmuffs,
occupation,
job,
male,
working,
expert,
professional
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