MRF's complete the process started when people seperate their trash. A MRF is a facility where recyclable materials are processed and sorted for recycling and reuse. Recyclable materials can arrive at a MRF from many sources; businesses, homes, curbside collection, public or self-hauling and from public drop-off or collection centers.
Links http://www.breadisposal.com/virtual1.html http://www.fs.uiuc.edu/maintenance/wastemanagement/recoverytour.cfm http://www.metrokc.gov/dnr/kidsweb