An engineer maintains utility station piping and checks valves at a water plant.
Schlüsselwörter
men at work,
man,
industrial,
water,
valva,
pipeline,
equipment,
engineer,
plant,
pipe,
production,
power,
construction,
safety,
metal,
technology,
factory,
energy,
checking,
site,
working,
plumbing,
protective,
pump,
repair,
utility,
maintenance,
supply,
station,
maintain,
electric,
large,
clean,
construct,
dedicated
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