Sludge drying bed in waste-water treatment plant system, brown sand in unplanted drying bed. Waste management facility.
Schlüsselwörter
surface,
sewage,
pollution,
ground,
drying,
environment,
brown,
bubble,
cement,
concept,
concrete,
construction,
dirty,
equipment,
factory,
floating,
flowing water,
global,
idea,
industrial,
industry,
innovation,
management,
material,
natural,
pipe,
pipeline,
produce,
production,
rough,
rubbish,
sewer,
site,
sludge,
fetid,
dirtied,
technology,
treatment,
unhygienic,
volatile
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