| 摘要 |
A face-mask which is made of a plastic sheet in which is embedded a deformable skin-colored, plastic-coated wire mesh. The plastic sheet is moldable and has an octagonal shape that will fit over the face of a wearer to cover the wearer's nose and mouth with tabs to fit under the chin. A trapezoidal opening is formed in the plastic sheet at a location that will overlie the nose and mouth of the wearer. A fastener system, located at the perimeter of the opening, surrounds the opening to fasten detachably a filter element in a position that covers the opening. The filter element is in sheet form having a shape complementary to the shape of the opening. Elastic cords hold the face-mask on the head of the wearer.
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