There are many allergic factors such as pollen in spring, so people like to wear a mask to go out, but many people don't know the right way to wear a mask. Let's follow the small compilation of sihai.com.
The other side is light, facing the face. As shown in the figure
After the front and back sides are confirmed, they should be confirmed up and down. As shown in the figure, there is a small white bar in the place marked by the red box. That's a nose clip. So the side with the nose clip is facing up.
Another way is to look at the fold of the mask. As shown in the figure, the correct way to wear the mask is to fold the mouth downward
Finally, we will show the correct way to wear the mask. As shown in the figure, clamp the nose clip on the nose, so that the exhaled air will not blur the glasses, and then pull out the wrinkles to protect the chin.