Find the letter

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Across
  1. 2. A Cardboard Container
  2. 5. longest length a GD Level can be (Contains -)
  3. 6. Wood Cutting Tool
  4. 7. The Sport that 2 people punch each other
  5. 9. Most famous Dino shortform
Down
  1. 1. while in Banishment
  2. 3. Christmas Shortform
  3. 4. Unusual compared to the Ordinary Crowd. Has 13 Letters
  4. 8. what happens to copper in air