serviceman operating industrial water purification or filtration equipment
Palabras clave
men at work,
man,
male,
operator,
mechanic,
mender,
service,
servicing,
industry,
technology,
industrial,
equipment,
water,
pump,
station,
preparation,
inspector,
filter,
filtration,
filtering,
plant,
treatment,
purification,
boiler,
room,
pipe,
technical,
storage,
tube,
workshop,
production,
utility,
factory,
faucet,
capacity,
construction,
manufacture,
metal,
engineer,
engineering,
brewery,
valva,
barrel,
automatic,
control,
tank
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