Can you tell the front from the back of a disposable mask?With the development and progress of industrial expenses, the impact on the environment is increasingly deepened. More and more people begin to be affected by the adverse weather and feel the sense of suffocation when going out. They also begin to adopt various protective measures to protect themselves.
So how do you tell the difference between the front and the back of a mask?
Mask is a protective device with the function of filtering, the use of masks for people has played a very good protection effect, general will use multilayer filter masks, thus good filter pollution gases and particles in the air, so as to better protect the people of the respiratory tract, make people's physical safety and health, it also makes the use of masks are more important.To prevent pneumonia caused by coronavirus, choose disposable medical masks and medical protective masks.
By positive and negative mask to distinguish method is metal, the color of the surgical masks are usually the same, which makes people hard to distinguish, general metal strip is on one side of the above and to protrude outside, outside the opposite side is in there, at the same time also can in crease to distinguish, crease up side is inside, the opposite is outside.
The above is the way to distinguish between the front and the back of the mask, I hope you will like it!We specialize in:FFP2 mask,FFP3mask,cup mask;Welcome to consult ~
Post time: Sep-28-2020