When coughing with cold, many folks prefer to wear masks
, which may effectively forestall infection. If the masks area unit used incorrectly, it should increase the prospect of infection. Therefore, it's necessary to settle on the correct mask and also the right thanks to use it. Let's have a short understanding!
（1） metastasis protecting instrumentality includes masks and masks. Wash hands before carrying and when removing.
（2） once carrying the mask, concentrate to the front and back and up and down. The mask ought to cowl the nose and mouth, and alter the nose clip to suit the face.
（3） Avoid touching the inner and outer sides of the mask by hand throughout carrying, and take away the mask by removing the wire ropes at each ends.
（4） carrying multiple masks can't impactively increase the protecting effect, however increase the metastasis resistance and should harm the tightness.
（5） there's no proof to prove the effectiveness of varied measures for improvement and medical aid of masks.
（6） Disposable medical masks and medical surgical masks area unit restricted to times of use, and also the additive use shall not exceed eight hours. the utilization of masks by activity exposure personnel shall not exceed four hours and shall not be reused.