Face shields should have crown and chin protection and wrap around the face to the point of the ear.

防护面屏的设计应该有对头顶部和下巴的保护，面屏侧面应延伸至耳朵的部位。

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Visual examination detected blood spatter contamination in 50.5% (303/600) of the face shields, whereas leucomalachite green staining detected blood contamination in 66.0% (396/600).

肉眼可见的污染见于50.5%（303/600）面罩，而隐色孔雀绿染色可在66.0%（396/600）的面罩中检测到。

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In addition to safety glasses with side shields or goggles, a face shield helps prevent flying debris from striking your face.

除了带侧边的安全防护眼镜或护目镜之外，面罩也可以帮助防止飞溅的碎片击打到脸部。

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Vujevic takes a seat, and a makeup artist gets to work on her face while a nail technician applies heated "nail shields" that behave like stickers.

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