Dear Answer Man: I'm often out walking my dog and I come across broken glass on the sidewalk. Most times, this is in front of one of the commercial shopping centers near my neighborhood.

Broken glass that is not contaminated with chemicals, infectious agents, or other hazardous materials can be collected in either approved broken glass boxes or 5-gallon buckets with lids. Always pick ...

An important raw material is cullet, which is broken glass either from recycling ... This dramatically toughens the glass compared to plain annealed glass, and when it does break, the opposed ...