10 Wrong Answers to Common custom metal signs Questions: Do You Know the Right Ones?
http://gregoryaryp572.iamarrows.com/10-things-you-learned-in-preschool-that-ll-help-you-with-custom-metal-signs
Perspex is among these. Its light-weight and transparent form of thermoplastic can resist breaking unlike glass. So, it can be an alternative choice to heavier, shatter-inclined glass.