यह Link अपनी भाषा में मौजूद नहीं है, में देखें: English (en),
या गूगल अनुवाद का उपयोग:  
हिन्दी भाषा (hi) | भाषा बदलें (Change Language)

https://www.solarcookers.org/resources/download

With approximately 3 billion people cooking over open fires, there is tremendous potential for countries to save money by avoiding the environmental and health costs associated with biomass cooking. Learn what the economic impacts of solar cooking are in many countries around the world.


Collections