Historical clue formulations

• Supporting timber in home construction — 2020-08-04
• Ceiling support — 2014-10-25
• Building beam — 2003-12-04
• Floorboard supporter — 2001-06-22
• Ceiling supporter — 1997-02-11
• Ceiling support — 1996-04-13
• Horizontal beam — 1995-08-18