Dr. Anu Mahajan of Hinsdale-based TinkRworks, a STEM education provider, right, leads a discussion with Aurora Fire Department personnel Tuesday at the Aurora Fire Central Station. TinkRworks made a donation of 100 personal protective equipment (PPE) to the Aurora Fire Department. TinkRworks utilizes students in project-based learning environments to accomplish tasks and for the PPE kept 16 3D-printers and three laser cutters running around the clock to help the effort against COVID-19 with the production of 3D face masks.Jason Crane/The Voice
