![Medical and non-medical masks | Face masks and respirators | Personal Protective Equipment | Risk Assessment | Occupational safety | Occupational Safety, Health and Environmental Protection | University of Konstanz Medical and non-medical masks | Face masks and respirators | Personal Protective Equipment | Risk Assessment | Occupational safety | Occupational Safety, Health and Environmental Protection | University of Konstanz](https://www.uni-konstanz.de/typo3temp/secure_downloads/114621/0/d9ed3a7b3ac0ba12d20255d3d1d0f82f7f99c697/csm_FaceMask_crosssect_64f4af641b.jpg)
Medical and non-medical masks | Face masks and respirators | Personal Protective Equipment | Risk Assessment | Occupational safety | Occupational Safety, Health and Environmental Protection | University of Konstanz
![Coronavirus: Face mask, face shield, FFP2, N95, KN95 — what′s the difference? | Science | In-depth reporting on science and technology | DW | 29.06.2021 Coronavirus: Face mask, face shield, FFP2, N95, KN95 — what′s the difference? | Science | In-depth reporting on science and technology | DW | 29.06.2021](https://static.dw.com/image/45428093_303.jpg)
Coronavirus: Face mask, face shield, FFP2, N95, KN95 — what′s the difference? | Science | In-depth reporting on science and technology | DW | 29.06.2021
![Face masks and respirators | Personal Protective Equipment | Risk Assessment | Occupational safety | Occupational Safety, Health and Environmental Protection | University of Konstanz Face masks and respirators | Personal Protective Equipment | Risk Assessment | Occupational safety | Occupational Safety, Health and Environmental Protection | University of Konstanz](https://www.uni-konstanz.de/typo3temp/secure_downloads/111086/0/adc2b60a5447e331f9ecc23ac09f420099f453cb/csm_MNB_richtig_falsch_53a2331997.png)