http://www.npr.org/blogs/money/2013/06/20/190741862/video-how-a-used-bottle-becomes-a-new-bottle
The obvious question is whether it might be better to have certain standard containers (such as Coke or Pepsi in glass bottles that are washed and re-used). It’s possible that the labor to do this additional sorting and the amount of cleaning required don’t make this practical; plus there’s the inevitable breakage.
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