Maintenance and custodians, who see to the overall operation and cleaning of mail sorting machines, work areas, public parking and general facility operations.

The DPBC makes automated mail sorting possible, including ordering the mail according to how the carrier delivers it (walk sequence).

In addition, numerous bus depots are located here, and there is a mail sorting facility.

At that time, to make mail sorting easier, they drew the boundary between the two communities to conform to already existing zip code boundaries.

One envelope, addressed to the White House, was intercepted at a military mail sorting office, officials said.

Norwich had been selected as it already had eight automatic mail sorting machines in use.

To make mail sorting easier at that time, the new postal boundary line separating the two Maryland communities was drawn along already existing zip code boundaries.

At the White House, preliminary anthrax tests on some 120 mail sorting workers found no exposure to anthrax.

Paper cuts are also a problem, even though the 135 Tingle Tables and the huge mail sorting machines have sanding mechanisms that soften the edges of the envelopes.

In every case, the main concourse - the train hall - would be fashioned from the old mail sorting room.