Demolition of an old sand trap in a sewage treatment plant

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Photo credit: © Hobi / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: aerated, bacteria, basin, cleaning, concrete, control, demolition, dirt, dirty, drain, grease, maintenance, muddy, partition, plant, revision, sand, separating, sewage, shaft, sludge, squared, system, timber, trap, treatment, ventilation, wall, waste, water, wood