Ayden KnightIn view of the increasing number of SARS-CoV-2 infections, in recent days the wearing of protective masks in public places has been made compulsory in our country. At first glance,…
protective mask
In view of the increasing number of SARS-CoV-2 infections, in recent days the wearing of protective masks in public places has been made compulsory in our country. At first glance,…