Across
- 4. What's it called when a tower is being stretched tightly?
- 7. What's a supporting structure called?
- 9. What's a central stone in a arch called?
- 10. What's a structure that absorbs shock called?
- 11. What type of bridge involves many triangles?
Down
- 1. Who maintains and designs structures?
- 2. What's part of a bridge between piers?
- 3. What is it called when you're putting pressure on the both sides of the structure by pushing?
- 5. What's curved symmetrical shape thats on bridges?
- 6. What's a structure built on top of something else called?
- 8. This is put the end of bridges and supports pressure using arch or spans