whats your best topic in terms of visit which you got?

  1. pisean282311 profile image61
    pisean282311posted 8 years ago

    whats your best topic in terms of visit which you got?

  2. chethancit profile image54
    chethancitposted 8 years ago

    Electric power generation at low cost with relivable resources like solar energy,wind energy,tidal energy,using high temperature of earth in some places

 
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