What things are made of

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Across
  1. 2. Simple material, but very useful to write
  2. 3. Fragile material used to make bottles
  3. 4. A material that comes from the trees
  4. 5. You make a T-shirt with it
Down
  1. 1. Good for making boots for rainy days
  2. 2. Used to make toys like cars
  3. 4. Used to make jumpers for the winter