paddle wheels aerators in lake, waste water treatment by fill oxygen into water. evironmental concept

---

Size: 5477px × 3651px
Photo credit: © Kwanchai Chai-udom / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: aeration, aerator, aerators, air, circle, clean, energy, environment, equipment, factory, flow, flowing, fresh, green, industrial, industry, lake, machine, motion, outdoor, oxygen, plant, pollution, pond, pool, power, recycle, recycling, river, separator, sewage, sewerage, slow, sludge, splash, system, treat, treatment, treatments, turbine, waste, water, wet, wheel