1. Medical surgical masks have the same front and back sides as disposable masks. Generally, the mask industry stipulates that the darker color is the front side, and the front side should be facing out.
2. The face that is facing the face should be the reverse side of the medical surgical mask, that is, the lighter side. In addition, pay attention to the part with the metal strip should be above the medical surgical mask. Off
3. After clearly distinguishing the front, back, upper and lower sides of the medical surgical mask, wash your hands first to determine whether the medical surgical mask is correct, and hang the ropes at both ends of the mask on your ears. 4. After wearing the medical surgical mask, you need to use both hands to press the metal strips on both sides of the nose bridge so that the upper end of the mask is close to the nose bridge, and then stretch the mask downward so that the mask does not leave wrinkles.