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It reads: "Because of the intensive aeration of water by the gravitation water vortex - in the rotation tank of the gravitation water vortex power plant is an ideal living area for aquatic plants, microbes and fish."

Seems as if there is a word missing somewhere? --Cyberman TM (talk) 14:07, 9 October 2012 (UTC)[reply]

How efficient is that thing?--Cyberman TM (talk) 14:07, 9 October 2012 (UTC)[reply]

The Vortex hydro engine was invented and patented by James Thomson in 1850. ^{[1] [2]}