Facemasks block expired particles, despite leakage at edges -- COMPAMED Trade Fair

Facemasks block expired particles, despite leakage at edges

11.06.2021

Image: Man with longer grayish hair wears a face mask and breathes with it into a kind of funnel; Copyright:Chris Cappa, UC Davis

The test with the face mask.

Products and exhibitors around the topic "Covid-19"

Image: various keywords related to Covid-19; Copyright: PantherMedia / Kheng Ho Toh