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Which Direction Does Toilet Water Swirl at the Equator? | Live Science
Kohler K57090 | Studio41 | White Two-piece Elongated 1.28 Gpf Toilet With Continuousclean, Skirted Trapway, Left-hand Trip Lever and Revolution 360(tm) Swirl Flushing Technology, Seat Not Included
The Myth of the Swirling Toilet Bowl Water | by R. Philip Bouchard | The Philipendium | Medium