I'm a Walking Advertisement.

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Across
  1. 4. A large board that displays outdoor advertisements.
  2. 8. A symbol that represents an object or idea.
  3. 9. A public notice that tells people about products or services.
  4. 10. A sentence that shows a fact or opinion.
  5. 11. Something that is very large or gigantic.
Down
  1. 1. Something that can be easily identified or is well known
  2. 2. The way something has been made or drawn
  3. 3. To give or supply something.
  4. 5. To be able to recognise, discover or know something.
  5. 6. Something done right away or at once.
  6. 7. Something that is obvious or is easy to see.
  7. 10. Doing something that is sly or in secret.