Portrait Asia male engineer in protective workwear is performing a conducts system check with use paper work at rooftop building
Schlüsselwörter
production,
pressure,
panoramic,
turbine,
tube,
mechanical,
air conditioner,
cooling,
engineer,
engineering,
technician,
people,
pipeline,
control,
examining,
manager,
manufacturing,
measurement,
maintenance,
pump,
quality,
heating,
hard hat,
steel,
system,
treatment,
reading,
working,
service,
plumber,
one person,
man,
horizontal,
measuring,
asia,
asian,
man,
rooftop,
safety,
helmet,
work,
building,
sky,
men at work,
paperwork,
site
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