Related Clues:
- One airline no longer going to Mississippi for supporters
- Support beams
- Reinforcement pieces
- Some support beams
- Construction materials
- Letter-shaped girders
- Structural beams
- Letter-shaped supports
- Construction supports
- Letter-shaped bridge supports
- Structural pieces
- Letter-shaped construction beams
- Bridge beams
- Rolled-steel joists
- Skyscraper components (not made by Apple)