3. FACE MASK
The wash: Wash your hands, Avoid
unclean hands pollution masks an inner
surface.
4. The hang:
The horizontal mask
attached to the face and
nose, both ends of the
rope hanging on the ear
with two hands.
5. The pull:
Both hands in the vertical direction to pull the
mask folds so that the mask can fully cover the
nose and mouth and chin
6. The pressure:
Use the index finger by both hands
on either side of the nose pressed
metal strip, so that the upper end
face masks can be close to the
bridge of the nose