But, but, but I thought there wasn't very much plastic? <----- This is a hilarious concept. It sure looks like JBII has a plastic source other than rock tenn to me.
Are the plastic bins/boxes shown in your post #192426 the containers referred to by Capra 1 in the following quote from post #192353?
Takes too long to pull material through bottom hole so the bags are sliced top to bottom and scrapped ,baled,and sold to a re-manufacture. The new plastic containers are flipped by a tow motor designed to do just that