Albarran-Glass

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Across
  1. 2. Used to melt the materials used for glass
  2. 5. Two pieces of glass bonded with plastic
  3. 6. Surrounds the broken glass, like a circle
  4. 8. Who made this crossword
  5. 9. Goes away from the broken glass, like rays from the sun
  6. 11. most common glass
  7. 13. What makes glass invisible in water
  8. 14. Glass made from lightning
  9. 15. The material other than glass used in laminating
Down
  1. 1. Mass per unit area
  2. 3. Glass made stronger with more heat or chemicals
  3. 4. Most commonly found in banks or other high security areas
  4. 7. Glass made from volcanoes
  5. 10. No clear shape or form
  6. 12. The measurement from glass surface to bottom