Thanks to the COVID-19 pandemic wearing a face mask when going out in public has become the norm now. This is necessary to save yourself from the virus that is spread via respiratory droplets. This virus can stay suspended in air for more than an hour. Face masks offer protection not only against airborne virus particles but also prevents you from touching your face and nose. Now countries across the world are looking at a scenario where people gradually return to normal life. This means that you will be out of your house for work and necessary errands. Now scientists