1. Many products are thrown away and enter the waste stream even though they still work. What are the reasons for this? 2. Do you think manufacturing without waste is possible? “Waste,” here, includes...

1. Many products are thrown away and enter the waste stream even though they still work. What are the reasons for this?

2. Do you think manufacturing without waste is possible? “Waste,” here, includes low-grade heat, emissions, and solid and liquid residues that cannot be put to a useful purpose. If waste is inevitable, why?