Ball-milling process (IMAGE) University of Oxford Caption An artistic illustration of the ball-milling process behind the newly developed method for generating fluorochemicals. Image: Calum Patel. Credit An artistic illustration of the ball-milling process behind the newly developed method for generating fluorochemicals. Image: Calum Patel. Usage Restrictions The image can be used if the caption and credit are included. License Original content 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.