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martes, 28 de abril de 2015

Plastic

We must complete our textbook information about plastics with the following presentation:

https://docs.google.com/file/d/0B2PGDnml0WxfY3VGUTBFazU5Ulk/edit

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1 comentario:

  1. Francisco Colón Palacios28 de abril de 2015, 18:26

    There we go. Plastics everywhere. But now it´s time to know them better and learn to distinguish the most common plastics.

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