Across
- 2. a pattern of triangles used to make strong structures
- 6. a supporting structure
- 7. Engineer an engineer who maintains roads and buildings
- 9. Structure horizontal planes supported by cables
- 11. a central stone keeping the arch in place
Down
- 1. a curved structure
- 3. a structure built on top of something else
- 4. a lateral force on a structure
- 5. the state of something being stretched
- 8. a supporting to a structure
- 10. the width of an object