Scientists Shine Laser on What Spews Up When You Flush
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Trust us, what happens when you flush a commercial toilet is worse than you thought.
Scientists shine a light on what comes up when you flush
Vivente Vereeniging
Scientists shine a light on what comes up when you flush (video)
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Scientists shine a light on what comes up when you flush
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Scientists Shine Laser on What Spews Up When You Flush
CU shows what happens when you flush the toilet