Wear the mask with a mask.

The head wear mask is not properly worn and missing.

1. Check and adjust the head band of the mask. The dominant hand passes between the mask and the head band, and the lower part of the mask is held down.

1. Two strap should wear face masks in the head and neck to produce enough tension to keep closed, if wear on binaural change mask shape and cannot produce enough tension to keep closed (wear method error)

(positive)

(side)

2. Place the mask in the correct position of the face, and then pull the lower square head back to the right place in the lower part of the head and neck.

3. Next, pull the top of the mask over the top of the head and hold it to the appropriate position on the top of the head, and adjust the head to make sure that it is properly worn.

2. The mask is too large.)

4. Adjust the plastic sheet of the bridge of the nose to make the shape of the mask shape close to the bridge of the nose. Cover the mask with both hands, and properly blow air, the air flow should not flow from the face to the face.