Why do we need masks
Face mask is a sanitary product, generally refers to a device worn on the nose and nose to filter the air entering the nose and nose to prevent harmful gases, odors, and droplets from entering and leaving the wearer's nose and nose, and is made of gauze or paper. Masks have a certain filtering effect on the air entering the lungs. When respiratory infections are prevalent, wearing masks has a very good effect when working in a polluted environment such as dust. Masks can be divided into air filter masks and air supply masks.
How to wear a mask correctly
The disposable masks that we usually buy in pharmacies are general medical surgical masks. It has two sides, the darker side-the blue side is facing outwards, and the lighter side is facing inwards. Not only that, the mask is also divided up and down, the metal strip inside is harder to touch and the upper end is close to the nose bridge when worn. After understanding the basic structure of the mask, let's learn how to properly wear the mask.
First, wash: First, wash your hands to avoid dirty hands from contaminating the inside of the mask;
2. Hanging: Place the mask horizontally on the mouth, nose and nose, and use both hands to hang the rope on the ears;
3. Pull: As shown in the figure below, pull the folds of the mask up and down with both hands at the same time, so that the mask can completely cover the nose and chin;
4. Press: Finally, press the metal strips on both sides of the bridge of the nose with the index fingers of both hands, so that the upper end of the mask can be pressed against the bridge of the nose.
In addition, it is necessary to remind everyone that after wearing a mask, avoid touching the mask frequently to prevent the protection from being reduced; after taking off the mask, put it in tape or paper bag and wrap it, and then put it in a covered trash can and discard it Wash your hands in time; do not reuse disposable masks.