To address the shortage of N95-top quality respirators a result of the disruption of the worldwide provide chain throughout the COVID-19 pandemic, this group is investigating a novel solution for fabricating reusable respirators by vacuuming forming them from additively created tooling. 3D printed inserts for securely holding filter media and https://downloadprojecttopics.com/blog/2018/06/27/impact-social-media-students-2/