Making Your Own Face Masks at Home?

i was interested by this concept of laring when people might be trying to make their own face maskers at home. What did you find about that? In both comparing within the individual studies, diidual studies compared the different types of available faced masks,. But they wewere able to compare between studies to answer this question. And essentially, there is a relative hierarchy that could be generated wherby single layer paper masks or single layer cotton masks are at the bottom. Then next come multi layer cotton or gauze face masks. The more we go up that hierarchy, that is, in other words, going up to n 95 respirators, it may be additional effect but it looks like