Dirty waste water, environmental pollution
Palabras clave
clean,
danger,
dirty,
drain,
drainage,
ecology,
effluent,
energy,
environment,
environmental,
factory,
flow,
flowing,
garbage,
green,
industrial,
industry,
liquid,
nature,
oil,
plant,
pollution,
production,
recycling,
river,
sanitary,
sewage,
sludge,
stream,
system,
toxic,
treatment,
waste,
water,
pipeline,
dump,
canal,
sewerage,
rust-eaten,
mud,
problem,
fatal,
disaster,
ecological,
warming,
refinery