Sentence:  Electronic waste—or "ewaste"—has provided a business opportunity for certain companies, which disassemble old computers, monitors, fax machines, printers, and other electronic equipment that they obtain from businesses and individualsnb.... These ecycling businesses reclaim the glass from monitors, plastics from casings, and metal from wires and circuit boards and ship the components to manufacturers that <WSD>"upcycle</WSD>" the materials. (Upcycling is a type of recycling that takes discarded materials and makes a new product with a value higher than that of the original materials.) 
Meaning of the word marked with <WSD> tags:  To convert (waste materials, etc.) into new materials or products of higher quality and greater functionality. (from 1990s)