1. Wash your hands and check the validity of the mask and its outer packaging. 2. The side of the nose clip is facing upwards, and the dark side is facing outwards. If there is no color difference, judge from the folds of the mask, and the folds are downward. 3. Pull up and down to open the folds, cover the mouth, nose, and jaw with a mask, and wrap the entire chin. 4. Touch the nasal clip with the tips of two fingers inward and move outward. 5. Take off the mask with one hand while removing the mask.
1. Face the side without the nose clip, ensure the nose clip is above the mask, hold the mask with your hand and fix it on the face, and hold the mask against the chin. 2. Pull the upper headband over the head and place it above the head. 3. Pull the lower headband over the top of the head and place it under the ears behind the neck. 4. Place the fingers of both hands in the middle of the metal nose clip, and move the fingertips along the sides of the nose clip while pressing inward, until the nose clip is fully pressed into the shape of the bridge of the nose. Using only one hand to pinch the mask may affect the mask. The tightness. 5. The user must check the tightness of the mask to the face, and cover the mask with both hands to avoid affecting the position of the mask on the face. You can inhale quickly. If the air leaks from the bridge of the nose, you should readjust the nose clip according to step 4. If the air leaks from the edge of the mask, readjust the headband. Repeat steps 1-4 if you can't get a good fit; if you don't feel the leak, it means wearing well.