"Leonardo Da Vinci first planned the use of industrial solar power by employing concave mirrors to heat water during his years working at the Vatican."
   
"Recycling Rates of Different Materials - 52 percent of all paper, 31 percent of all plastic soft drink bottles, 45 percent of all aluminum beer and soft drink cans, 63 percent of all steel packaging, and 67 percent of all major appliances are now recycled."
   
© Canadian Solar Air
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