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How It's Made: Wind turbines (video)

        April 9, 2015 Discovery Channel | Global | renewables: wind

The construction and operation of a modern megawatt wind turbine is explained: foundation, 100-ton base, sectional 120-m tower, nacelle, electrical generation, high-voltage transformer (1 kV to 20 kV), blade manufacturing, and site installation. Not for those afraid of heights. [6:17]

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