Primary sedimentation basin, sewage flowing through large tanks
Keywords
treatment,
sewage,
sewer,
sewerage,
green,
ecosystem,
circular,
clean,
conservation,
ecology,
effluent,
environment,
environmental,
factory,
full,
industrial,
industry,
nobody,
overflow,
plant,
pollution,
purification,
purified,
purity,
reusing,
recycled,
recycling,
round,
separator,
settler,
slimy,
sludge,
tank,
water,
dirty,
storage,
waste,
system,
liquid,
process,
technology,
separation,
station,
blackwater,
settle,
cleaner