Across
- 2. Each letter is imprinted wiht a unique flouresescent ID code on the.......of the envelope.
- 4. ....the machine is done sorting, each letter is past marked.
- 7. .......things happen at the processing plant
- 8. ......,the machine makes sure all the letters are right-side-up.
Down
- 1. After that, the letters are sent through a........that reads the zip code barcode.
- 3. first the carrier.........all the mail
- 5. First,the mail is.....so that flat mail is separated from packages.
- 6. Next,a sophisticated computer scanner reads....letter's address.
- 7. ....after, the letters are delivered to local post offices.