Historical clue formulations

• Certain factory machine — 2026-09-27
• Mailroom job — 2023-06-06
• Worker at a recycling plant — 2019-10-20
• Mailroom device — 2017-07-14
• Postal employee — 2016-04-24
• Many a laundromat patron — 2013-05-04
• Photocopier part — 2005-04-15
• Post office machine — 2003-07-13
• Post office employee — 2003-02-16
• Photocopier attachment — 2002-05-27
• One concerned with classes — 1999-12-04