Peter Rooseleers - Guberna Certified Director - GUBERNA - Instituut voor Bestuurders/Institut des Administrateurs | LinkedIn
Full article: Testing of outward leakage of different types of masks with a breathing manikin head, ultraviolet light and coloured water mist
![Full article: Testing of outward leakage of different types of masks with a breathing manikin head, ultraviolet light and coloured water mist Full article: Testing of outward leakage of different types of masks with a breathing manikin head, ultraviolet light and coloured water mist](https://www.tandfonline.com/cms/asset/5854095f-1515-453c-a4c9-bab2d8da85ea/tibi_a_1951153_f0005_ob.jpg)