Across
- 4. Steel rods used to reinforce concrete to help resist tension.
- 7. A bridge that can span large gaps without many towers because it uses cables.
- 8. A flat, plate like device that is often triangular.
- 10. A structural support that is placed below a beam.
Down
- 1. A beam that is only supported at one end. Hint: A diving board or tree branch.
- 2. A reasonably level structure used to support loads. Hint: Top of doorway.
- 3. A network of beams that form triangles.
- 5. The use of ridges, grooves, or folds to help make a structure stronger. Hint: Often used in cardboard.
- 6. A shell like structure that looks like the top half of a shell or egg.
- 9. A structural support that is set between a beam and its support base.