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Masks are a variety of sanitary protection products. They can be classified according to the material of the mask, according to the use of the mask, the shape of the mask, and the protection level of the mask. So where did the mask come from? What is the role of masks?
The source of the mask
In 1895, a German pathologist researched that the infection of a patient’s wounds was related to airborne infections. He thought that people were infected with saliva when they talked and caused wound infections. At his suggestion, doctors and nurses at the time wore gauze stitches. The cover that can cover the nose and mouth can reduce the infection channel of the wound during the operation.
Since then, masks have been customarily worn by medical staff, food hygiene production and sales staff, and canteen cooks to work, especially whether food production production and sales staff work with masks as the industry norm.
Surgical personnel need to wear medical masks to protect patients from infection of surgical wounds. Medical surgical masks are suitable for basic protection of medical personnel or related personnel, as well as protection against blood, body fluids and splashes during invasive procedures.
Sanitation personnel and workers in dusty workplaces must also wear dust masks. Masks have since been listed as labor protection supplies and distributed to personnel free of charge. In the general population, especially in the epidemic season, many people wear anti-smog masks, and it has indeed played a positive role in preventing the spread of diseases.
The role of masks
From a pathological point of view, a large amount of dust, bacteria, viruses, and various harmful gases are mixed in the air, which may enter the nose, throat, trachea, and lungs with human breathing. When the body resists When weak, it can make people sick.
Wearing a mask is like setting a “barrier” to the respiratory tract, so that the inhaled air can filter the virus and bacteria from entering the human body. At the same time, wearing a mask can also block bacteria and viruses in your mouth and nose from talking, Infecting others when coughing or sneezing is also a social virtue.
In addition, wearing a mask can reduce or prevent dust from irritating the respiratory tract, which can prevent or reduce the occurrence of occupational diseases. Toxic and harmful workplaces should wear protective masks to prevent occupational diseases caused by inhalation of toxic and harmful gases, such as benzene poisoning and organic solvent poisoning.