Monday, October 26, 2009

Daylight saving time


In the last class we talked about daylight saving time.

We talked about the importance of this for the economy of electric power.

We are also other ways of helping our nature to survive.
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1 comment:

  1. BetanaOctober 27, 2009 at 12:23 PM

    Nice picture! You could add more information here, couldn't you?

    ReplyDelete

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