Historical clue formulations

• Clean again, perhaps — 2021-04-24
• Tend to another spill — 2014-06-04
• Swab the floor again — 2012-05-15
• Wash again, as the floor — 2009-02-08
• Swab the deck again — 2000-08-21
• Get out the tough dirt spots — 1998-10-18
• Swab again — 1998-06-14