A 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 exiting 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. Mask function: Can breathe very well; can filter toxic gases; can keep warm; can absorb water; can be waterproof; has elasticity; will not be messy; feels very good and quite soft; compared to other masks, the texture is lighter; very good Elastic, can be reduced after stretching; the price is relatively low, suitable for mass production; How to wear a mask correctly 1. Wash your hands before wearing a mask. 2. Hold the ear cord with both hands, with the dark side out (blue) and the light side in (suede white). 3. Place the side of the mask with the wire (a small strip of hard) on the nose, pinch the wire according to your nose shape, and then pull the mask completely down to cover the mouth and nose completely. 4. Disposable masks are usually replaced every 8 hours, and cannot be reused.
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