Stock Photo - Zdenek Peroutka, dean of the University of West Bohemia (ZUC), shows a top class respirator made with 3D print technology during a press conference, on March 24, 2020, in Pilsen, Czech Republic. The respirator was developed by experts from the Czech Technical University (CVUT) in Prague in cooperation with experts from Faculty of Electrical Engineering of the ZUC. (CTK Photo/Miroslav Chaloupka)

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