Isotopes - Welding advances (video) DOE/Oak Ridge National Laboratory Share Print E-Mail Loading video... Caption The orbital welder makes a clean seam on hollow targets, eliminating the need for hand-finishing and reducing the amount of time staff spend in the glovebox. Credit Credit: Carlos Jones/ORNL, U.S. Dept. of Energy 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.