Plastic Components from WEEE (image) Swiss Federal Laboratories for Materials Science and Technology (EMPA) Share Print E-Mail Caption Before reusing materials, recycling companies sort and shred plastic housings, metal wires, and computer keyboards. Credit Empa. Materials Science & Technology Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.