Day-to-day activities usually entail crowded areas, may it be a hospital hall, a high-traffic subway, or an overcrowded grocery store. All these environments tend to create doubts about how people can defend themselves and, at the same time, defend others. That is where the task of certified protective equipment comes in. As you may already be aware, not all face coverings give equal protection. Being able to know the distinction between simple cloth masks and the ASTM-rated