Across
- 2. A framework, usually consisting of triangles
- 3. A curved symmetrical structure
- 5. An underlying structure
- 6. A wire connected to supports that are suspended which help support a structure
- 9. The state of being stretched
- 10. A central stone at the summit of an arch holding locking everything together
Down
- 1. The force created when two objects are pushed together
- 3. A structure built at the end of a bridge to support the lateral pressure
- 4. An overlying structure
- 7. The full extent of something
- 8. A person who designs and maintains bridges, roads, etc.