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Related Clues:
- Support pieces
- Construction pieces
- Bridge elements
- Letter-shaped construction pieces
- Some girders
- Some beams
- Bridge support beams
- Building reinforcements
- Beams with two flanges
- Angle irons graphically represented by four sets of black squares in this grid, and by letter formations starting in the four longest answers
- Bent beams
- Girder beams
- Construction beams with 90-degree angles
- Support beams
- Reinforcement pieces