The most popular types of face masks include: surgical face masks - disposable face masks most commonly used in operating theaters; they are
characterized by a high degree of bacterial filtration and low life
span,
dust masks - masks equipped with an anti-smog filter and against
microbial contamination; due to their structure, they may cause
breathing difficulties and are not suitable for long-term use,
cotton masks - reusable hygienic masks for everyday use.