Is your mask wearing right?If you want to wear a mask correctly, you need to wash your hands before wearing a mask. Wash your hands to ensure hand hygiene before wearing the mask. When wearing, do not touch the inside of the mask. Before wearing the mask, you need to stretch it, especially the folds

Precautions for wearing a mask1. Use timeFrom the perspective of human physiological structure, because the blood circulation of the nasal mucosa is very strong, the passage in the nasal cavity is very tortuous, and the nose hair constitutes a filtering "barrier". When air is sucked into the nostril