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Related Clues:
- 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
- Metal supports in skyscrapers
- Girder beams
- One airline no longer going to Mississippi for supporters
- Construction beams with 90-degree angles
- Support beams
- Reinforcement pieces
- Some support beams
- Construction materials
- Right-angled supports
- Letter-shaped girders
- Structural beams
- Letter-shaped supports
- Construction supports