Water plant maintenance technicians, mechanical engineers check the control system at the water treatment plant.
Palabras clave
aeration,
boiler,
cleaning,
construction,
ecology,
engineer,
equipment,
factory,
filtration,
hard hat,
helmet,
industrial,
industry,
job,
male,
man,
microbiology,
one man only,
outdoors,
people,
pipe,
plant,
pollution,
production,
protective clothing,
pump,
purification,
quality,
quality control,
safety,
sewage,
storage,
storage tank,
tank,
technical,
technology,
test tube,
treatment,
utility,
valva,
waste,
water,
men at work,
working
){kind=link}