Face-shields 工人用保护面罩
Workmen's protective face-shields 工人防护面罩 ; 工人用防护面罩
safety helmet and face shields 安全帽及防护屏
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。
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。
They were met by black-clad police with helmets, face masks and small round riot shields.
防暴警察，全副武装，青衣面甲，手执圆盾。
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