Rule number 1: even the nose …
Sweat and heat do not facilitate the relationship with the mask, still recommended in many closed spaces and mandatory on public transport and in health facilities. Despite the practice acquired in 2 years of use, there are in fact ‘errors’ of use, both for the Ffp2 and for the surgical ones. One of the most frequent is not to make it adhere correctly to the face, especially on hot days.
“The masks – commandment number 1 – they must be worn correctly, covering the nose and mouth and avoiding touching them to keep them clean“, reminds time.news Salute, listing 5 rules for correct use, Cristiana Boi, professor of principles of chemical engineering at the University of Bologna, who with her team, in her studies, took care of the tests for surgical masks and he also worked on Ffp2.