The common colors of medical masks in life are generally blue, light blue, light green and so on. Black medical masks are rare, but this possibility is not ruled out. Whether a mask is a medical surgical mask is not determined by color, but mainly depends on the material and manufacturing process.
Extended data:
Wearing method of black disposable mask
1, no matter whether the mask is black or blue, there are obvious wrinkles.
2. When wearing a mask, it is generally necessary to pull the mask first. When the fold is opened, it is obviously outside, but not inside.
3. No matter what kind of mask you wear, wash your hands before wearing it to avoid dirty hands polluting the inside of the mask.
4. Put the inside of the mask across your face and hang the ropes on both sides on your ears.
5. Then pull up the folds with both hands until the nose, mouth and chin are completely covered, and then press the hard strips on both sides of the bridge of the nose to make the mask more suitable for the face.
6, masks can't take turns on both sides, which is extremely unsanitary, and the outward side is easy to stick with germs and the like.