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The top documents tagged [solarpowered system]
Solar Air Conditioner
278 views
Out of all energy emitted by sun only a small fraction of energy is absorbed by the earth… so let’s be a part of it and see the world from a different
215 views
Need or Greed… Sustainability or waste. What do people need to survive? But what happens to our rubbish and sewage?
216 views
Need or Greed… Sustainability or waste
46 views
Need or Greed… Sustainability or waste
41 views