wwtp bubbles

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Size: 3618px × 2412px
Photo credit: © Norman Krauss / Alamy / Afripics
License: Royalty Free
Model Released: None

Keywords: belebungsbecken, blow, bubbles, effluent, industrial, klaeranlage, klaerbecken, klaerwerk, klärbecken, plant, preparation, purification, sewage, sewages, treatment, wastewater, water