RM
Worker holding treated an untreated sewage samples
Sewage treatment. Worker holds samples of treated and untreated sewage. Sewage treatment involves using mechanical filtering and bacterial action to remove organic materials from water. The bacteria may then be filtered out before the water is discharged into a river or the sea.
Details
ID
163546372
Collection
License type
Rights Managed
Photographer
Model Release
Model release is available
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