The invention of Velcro by Ryan, Ulysse and Sara

123456789101112131415
Across
  1. 3. Material that works best
  2. 4. Optical instrument used to see elements invisible to the naked eye at close range
  3. 6. The age at which George died
  4. 7. Substance on which the synthetic material is placed
  5. 9. Number of years spent trying to reproduce the burdock hanging method
  6. 10. name of the plant that inspired velcro
  7. 12. Where velcro is used nowadays
  8. 13. Name of the inventor of Velcro
  9. 15. Place where De Mestral was introduced in 1999
Down
  1. 1. Number of hooks required per square inch
  2. 2. The first material he used to create a strong hook system
  3. 5. City where the weaver is located
  4. 8. Year velcro was introduced to the world
  5. 11. name of the new product created by De Mestral
  6. 14. The shape of the burr tips