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Wind turbines farm

A wind turbine is a machine for converting the kinetic energy in wind into mechanical energy. Wind power extracts electricity from the flow of air over the surface of the earth.

Wind turbines farm
Level:
Size: 12x8

Photo by: (c) broker - FOTOLIA


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Winners' comments

Wind turbines farm  11.10.2009 14:34
nice
Mir
 
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