Related Clues:
- Source of support
- Building girder
- Girder with flanges
- Letter-shaped construction beam
- Certain construction beam
- Bridge beam
- Girder type
- Steel grating component
- Load-bearing piece
- Letter-shaped beam
- Letter-shaped part of a grate
- Certain girder
- Letter-shaped building support
- Hancock Building supporter
- Letter-shaped support