Version of facial test fixture x3 (IMAGE) DOE/Sandia National Laboratories Caption One of the first versions created by the team to test performance of a mask on a human face. The testing device drops down and compresses the mask with 50psi. Credit Michael Omana/Sandia National Laboratories Usage Restrictions courtesy while referencing article/research 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.