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Water turbine wikipedia notes
Offshore wind power - Wikipedia
File:Water turbine construction.png - Wikipedia
Pump as turbine - Wikipedia
Pelton wheel - Wikipedia
Water turbine - Wikipedia
Gugler Water Turbines - Technology for hydropower plants
A change in technology solves the problem of small power plants
File:Water turbine, Upper Mills - geograph.org.uk - 1356694.jpg
Water turbine wikipedia notes
Water turbine: Water turbine, Gorlov helical turbine
Kaplan Hydro (water) Turbine Generator Unit - China Kaplan Turbine