![](http://www.alamy.com/thumbs/6/D57B2DCA-03DE-41F5-8443-D33DADA2007E/E08T1H.jpg)
Blue stopcock tap valve gate and pipes in water treatment plant and dirty liquid bubble in background.
Size: 2756px × 4161px
Photo credit: © sauletas / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: air, biofilters, blow, bubble, chemical, clean, cleaning, dirty, drain, ecosystem, effluent, equipment, facility, factory, fluid, handle, industrial, industry, liquid, metal, oxygen, pipe, pipeline, plant, pollution, process, purif, purification, recycling, reservoir, separate, separation, settle, sewage, sewer, sewerage, station, steel, stopcock, storage, stream, system, tank, tap, technology, treatment, tube, valve, waste, water