solar energy 10-01-2010, 12:53
Page: http://www.solar-energy.nsvv.net Rating: Brak
Solar energy is clean, organic and above all for free. Solar collectors are increasingly used in many types of objects. In residential buildings, utilities, recreational and sports facilities - for heating water and space heating. In the industrial and agricultural - to raise large amounts of hot water technology.
See this page: solar energy