sábado, 5 de marzo de 2011

Introduction to work and energy

1 comentario:

  1. We would like to thank to all of you for your participation in Science Fair.
    Our gratitude to Enrique Mireles and Martin 8B for their support with the video.
    And from 8A Sofi and Ale for their dedication and enthusiasm to make this event a success.
    Guys , we couldn't do it without you!

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