Wastewater purification works. Covid 19 problems. Virus and fecal waters. Water treatment plant.
Palabras clave
virus,
purification,
recycling,
ecology,
clean,
industrial,
architecture,
environment,
sewage,
purity,
waste,
treatment,
sanitary,
removal,
storage,
filter,
filtration,
water,
turbidity,
modern,
urban,
system,
reservoir,
plant,
city,
view,
sky,
factory,
drone,
sanitation,
tank,
aerial,
dirty,
sludge,
industry,
engineering,
building,
utility,
travel