Across
- 1. - a structure build in a curve-like shape
- 3. - the pull of 2 or more objects
- 4. - an underlying or supporting structure
- 7. structure - may be either plane or spatial
- 8. - a structure built as a vertical extension of something else
Down
- 1. - The structure built to support the end of bridges
- 2. - an engineer who designs and maintains roads, bridges, dams, and similar structures.
- 5. - the action of compressing or being compressed.
- 6. - a central stone at the summit of an arch, locking the whole together
- 7. - the full extent of something from end to end; the amount of space that something covers
- 9. - a structure made up of mainly triangles