| Clue | Source | Date |
|---|---|---|
| Letter-shaped construction bar | Wall Street Journal | 04 Dec 2021 |
| Letter-shaped construction piece | New York Times | 08 Jun 2021 |
| Letter-shaped construction piece | ||
| Building bar with one flange | New York Times | 03 Jun 2016 |
| Building bar with one flange | ||
| Letter-shaped bridge support | ||
| Bridge support | ||
| Letter-shaped girder | ||
| Bridge support | ||
| Letter-shaped girder | ||
| Reinforced support | ||
| Constructional item | ||
| Type of bar. | ||
| Structural member. | ||
| Certain girder. | ||
| Metal bar. | ||
| Steel bar. | ||
| Girder shaped like a letter |