Across
- 4. The state of being stretched.
- 6. Framework made up of triangles.
- 7. The amount of space that covers something.
- 8. A cured symmetrical structure.
- 9. Used to support things.
- 10. Locks a structure together.
Down
- 1. A structure built on top of something else.
- 2. An engineer who designs roads, bridges, dams, etc.
- 3. A supporting structure.
- 5. Being squeezed.
- 8. Used to support the lateral pressure of an arch.