Historical clue formulations

• Support in construction — 2025-04-19
• Letter-shaped girder — 2024-11-11
• Bridge piece — 2024-10-26
• Letter-shaped support piece — 2024-03-31
• Construction beam — 2024-01-09
• Letter-shaped beam — 2023-12-04
• Building support beam — 2023-09-17
• Flanged support beam — 2023-07-04
• Industrial support — 2022-04-15
• Letter-shaped bridge support — 2021-12-28
• Skyscraper support — 2021-05-16
• Letter-shaped construction support — 2021-05-03
• Building girder — 2020-11-29
• Letter-shaped beam — 2020-09-20
• Crosspiece in a grate, often — 2020-05-02
• Letter-shaped beam — 2019-04-22
• Construction girder — 2018-12-25
• Skyscraper support — 2018-05-10
• Flanged support — 2017-06-24
• Certain steel beam — 2017-01-22
• Bridge support — 2016-09-23
• Letter-shaped girder — 2016-03-28
• Construction piece — 2016-01-24
• Building beam — 2015-12-27
• Construction support — 2015-12-11
• Skyscraper piece — 2015-08-29
• Letter-shaped beam — 2015-03-09
• Letter-shaped construction component — 2014-03-12
• Building unit with flanges — 2014-01-15
• Certain metal beam — 2014-01-14
• Skyscraper component — 2013-09-14
• Construction support — 2013-06-08
• Construction support — 2013-05-19
• Letter-shaped support — 2013-01-29
• Beam of support — 2012-09-30
• Skyscraper support — 2012-09-09
• Flanged structural element — 2012-05-10
• Beam in a bridge — 2012-02-28
• Letter-shaped structural support — 2011-07-11
• Support beam — 2011-05-25
• Letter-shaped beam — 2011-02-15
• Bridge unit — 2010-11-19
• Building piece — 2010-02-20
• Construction piece — 2009-09-17
• Letter-shaped structural piece — 2007-12-17
• Construction beam — 2007-12-13
• Letter-shaped building support — 2007-08-27
• Certain girder — 2007-08-12
• Letter-shaped part of a grate — 2007-08-02
• Letter-shaped beam — 2007-07-03