Waste water, Pollution
Palabras clave
bad,
biology,
biomass,
dirt,
dirty,
disdain,
ecology,
environmental,
excretion,
factory,
foul,
garbage,
global,
industry,
nasty,
natural,
pollute,
pollution,
reusing,
repulsive,
responsible,
rot,
rubbish,
settling,
sewage,
smell,
trash,
treatment,
unhygienic,
warming,
waste,
water