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The top documents tagged [solarpowered system]
Solar Air Conditioner
275 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
214 views
Need or Greed… Sustainability or waste. What do people need to survive? But what happens to our rubbish and sewage?
217 views
Need or Greed… Sustainability or waste
40 views
Need or Greed… Sustainability or waste
43 views