OBSAH
Maddie learns about metal and how it can be recycled and used again. Then, she visits a factory to see how road signs are made. She finds out about the different shapes of road signs and what they mean.
Maddie learns about metal and how it can be recycled and used again. Then, she visits a factory to see how road signs are made. She finds out about the different shapes of road signs and what they mean.
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