Going to the post office

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Across
  1. 3. to deliver, to mail
  2. 4. to have the same or more amount than necessary
  3. 6. protection, safeguard
  4. 9. proof of purchase
  5. 10. boxes
  6. 11. the opposite of above
Down
  1. 1. a place to send mail or packages
  2. 2. more items or requests
  3. 5. paid money on a product
  4. 7. to find out how heavy an object is
  5. 8. contained, comprised (past tense)