Modern sewage treatment plant. Round wastewater purification tanks at sunset, aerial view
Palabras clave
sewage,
treatment,
plant,
aerial,
sunset,
tank,
modern,
sludge,
waste,
water,
industrial,
separation,
effluent,
recycling,
purification,
pollution,
dirty,
cleaning,
round,
environmental,
factory,
chemical,
biological,
reservoir,
filtration,
circular,
process,
pool,
view,
sewer,
purity,
reusing,
facility,
basin,
cleaner,
sanitation,
active,
conservation,
drainage,
floatation,
processing,
recycled,
sanitary,
sewerage,
suspended
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