Across
- 4. a long piece of metal or wood lying horizontally
- 5. the weight or pressure of something on a bridge
- 6. to make stronger
- 8. a structure that spans a gap
- 10. to link one side of a gap to the other
- 11. not easy to bend
Down
- 1. can bend without breaking
- 2. this makes a sheet of paper stronger
- 3. a solid upright that helps support a building
- 6. able to carry heavy loads
- 7. a long hollow piece of material
- 9. one of the strongest shapes
- 10. a rod or bar that makes a framework strong