On January 25th, 8 million pieces; on February 29th, 116 million pieces ... In only 35 days, the daily output of Chinese masks increased by about 13.5 times. From March 1st to April 4th, 3.86 billion pieces; from April 5th to April 30th, 23.94 billion pieces ... In just two months, China exported 27.8 billion masks, which is about Three times the total output of masks.
When can the mask be removed? Can the air conditioner be turned on? This guide tells you In summer, the temperature rises, can you turn on the air conditioner? Under what circumstances can you not wear a mask? In response to the actual problems of how to scientifically wear masks and use air conditioners under normal conditions of epidemic prevention and control, the National Health and Health C
Due to the impact of the pneumonia epidemic, medical masks have become one of the medical devices that people are more concerned about. Recently, there have been many issues related to the registration of mask-related products, medical device registration, medical device business license, and second-class medical device business records. This article introduces you to the relevant knowledge of mas
Masks originated in China, seemingly simple items, in fact, have traveled over 700 years of history The earliest masks that played a sanitary role, according to records, may be traced back to the Yuan Dynasty in China. Masks originated in China, seemingly simple items, in fact, have traveled over 700 years of history
About the origin and birth of masks, let's get some cold knowledge At present, there are many kinds of masks on the market, such as fashionable masks, ordinary medical masks, N95 masks, etc. So when flu and other respiratory diseases are high, how to choose the correct mask to prevent infection? Source: Chinese Preventive Medicine Association micro-platform Influenza viruses only need to spre
In recent months, due to the development of the epidemic, masks, which are more common than usual, have become a tight commodity. For a time, many companies have begun to transform and make masks, but have you ever thought that this is the most common for viruses Who invented the mask, one of the most direct and effective tools? Masks originated in China
A brief history of masks: originated in China, the outbreak of infectious diseases prompted the improvement and popularization of masks The emergence of new coronaviruses is raging, quickly causing a huge public health crisis. China CDC Tip: Wearing a mask is one of the important means to prevent new coronavirus. How was this mask invented?
Masks (hygiene items used to filter air entering the nose and mouth) Edit Discussion 99+ Upload video Respirator is a kind of hygiene products, generally refers to the mouth and nose is used to filter the air into the nose and mouth, in order to achieve the role of blocking harmful gases, odors, droplets, viruses and other substances, made of gauze or paper. Masks have a certain filtering effect
