Traditionally valued for its nearly unbreakable strength in plastics, BPA also makes possible carbonless copy paper, which Warner learned about during his tenure at the Polaroid Corporation in the ’90s.
Ayon sa kaugalian minamahalaga para sa kanyang halos unbreakable lakas sa plastic, BPA gumagawa din ng posibleng carbonless copy paper, na Warner natutunan ang tungkol sa panahon ng kanyang panunungkulan sa Polaroid Corporation sa '90s.