This acronym stands for Horizontal axis wind turbine. a wind turbine with a rotor axis is substantially parallel to the flow of the wind.
02:42, 23 November 2012
Horizontal Axis Wind Turbines
04:55, 17 November 2012
A solar panel (also solar module, photovoltaic module or ...
The EcoPartnerships program is an innovative manifestation ...
The heart of a nuclear power plant or nonpower reactor, in ...
PetroChina Company Limited is a Chinese oil and gas company ...
China Petroleum & Chemical Corporation or Sinopec ...
Also called solar energy, solar power is electricity ...
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