Across
- 5. 4.88mm
- 6. solid randomly attached pieces
- 9. toughened glass
- 10. fractures forming a circular pattern from point of impact
- 11. safety glass that holds together
Down
- 1. resistant to projectile penetration
- 2. creator of this crossword
- 3. 2.5
- 4. Common Glass
- 7. change direction of a wave passing through on thing to another
- 8. fractures in glass extending outwards from impact