Can I wear a mask for square dancing? What are the pros and cons

Square dancing can wear a mask, but it is recommended to wear a dust mask with an exhalation valve is more appropriate. Generally there is no respiratory valve mask, breathing resistance, and dancing is more consuming force, while the respiratory valve mask breathing resistance is small, wear breathing more comfortable.

The role of the breathing valve principle is to exhale when the positive pressure of the gas will be blown open the valve piece, in order to quickly remove the body exhaust, reduce the use of masks when the feeling of stuffiness, and inhalation of negative pressure will automatically close the valve, in order to avoid inhaling pollutants into the external environment.