Heating plant engineer inspecting pipes and valves before heating season.
Palabras clave
pipe,
tube,
pipeline,
inspection,
controlling,
men at work,
man,
working man,
supervisor,
engineer,
checking,
refinery,
power plant,
quality control,
factory,
production,
plant,
hard hat,
helmet,
employee,
industry,
oil,
gas,
equipment,
energy,
fuel,
facility,
indoor,
control,
petrochemical,
technology,
caucasian,
expert,
professional,
working,
job,
occupation,
gasoline,
lpg,
distribution
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