Wastewater treatment plant, aerated activated sludge tank.
Schlüsselwörter
waste,
environment,
sewage,
water,
treatment,
plant,
pollution,
industrial,
ecology,
tank,
industry,
factory,
recycling,
environmental,
sewer,
dirty,
purification,
technology,
clean,
sludge,
storage,
system,
effluent,
purity,
reusing,
filtration,
purified,
sewerage,
facility,
round,
pipe,
sanitary,
reservoir,
pool,
flow,
conservation,
process,
liquid,
biology,
construction,
recycled,
separation,
biological,
tube,
sanitation,
engineering,
urban