Across
- 3. Material that works best
- 4. Optical instrument used to see elements invisible to the naked eye at close range
- 6. The age at which George died
- 7. Substance on which the synthetic material is placed
- 9. Number of years spent trying to reproduce the burdock hanging method
- 10. name of the plant that inspired velcro
- 12. Where velcro is used nowadays
- 13. Name of the inventor of Velcro
- 15. Place where De Mestral was introduced in 1999
Down
- 1. Number of hooks required per square inch
- 2. The first material he used to create a strong hook system
- 5. City where the weaver is located
- 8. Year velcro was introduced to the world
- 11. name of the new product created by De Mestral
- 14. The shape of the burr tips
