11.   Six of them were on a single automated mail sorter, suggesting that a letter containing a substantial amount of anthrax passed through it, Boucher said Tuesday.

12.   Six of them were on a single automated mail sorter, suggesting that a letter containing a substantial amount of anthrax had passed through it, Boucher said Tuesday.

13.   The Indian government has also decided to provide mail sorters at international mail stations in the major cities with masks, gloves and X-ray machines.