| 摘要 |
A safety mask is provided, in which the mask top adheres closely to the face and suction of the dust into the nose is blocked by the bent plastic and the vision under the foot is widened. A safety mask is constituted as follows. The plastic or the bent shape iron element is used to the mask. The mask top sticks to the face and the dust suction is blocked. The mask makes the vision under the foot broad. The mask top is adhered closely to the face by using the plastic or the bent shape iron element in the mask top part.
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