Historical clue formulations

• Laundry collectors — 2025-05-20
• Rubbish destinations — 2025-05-17
• Containers at airport security — 2025-05-02
• Storage containers — 2023-01-18
• Stack at a T.S.A. checkpoint — 2022-07-29
• Donation receptacles — 2022-02-24
• Items at T.S.A. checkpoints — 2021-11-07
• Household organizers — 2020-11-28
• Items in an airport security line — 2020-07-02
• Coal containers — 2020-01-14
• Spots for luggage — 2019-02-01
• Trash holders — 2018-06-26
• They're used for storage — 2016-09-29
• Trash receptacles — 2016-06-06
• Hampers, say — 2015-09-13
• Used bookstore containers — 2015-09-03
• Alternatives to racks — 2014-01-11
• Rubbermaid wares — 2013-10-06
• Mail room sights — 2012-12-27
• Recycling containers — 2012-08-27
• Bargain basement lineup — 2012-07-20
• Lost-and-found containers — 2010-09-01
• Grain containers — 2008-09-03
• Plastic containers — 2007-03-10
• Hoppers, e.g. — 2006-04-14
• Coal deposits? — 2002-05-28
• Grain holders — 2002-01-14
• Trash collectors? — 2001-07-15
• Coal holders — 2000-05-08
• *Seventh step — 2000-04-27
• Containers — 1999-01-10
• Storage places — 1998-06-18
• Hampers — 1998-03-06
• Storage containers — 1997-02-10