Face Shields on Wikipedia
Title: Face Shields in Medical Applications
Summary:
Face shields in medical applications are protective devices used during procedures that expose medical professionals to blood or other potentially infectious fluids. Examples include CPR masks and personal protective equipment to guard against exposure to infectious materials. Face shields are also used by police and military personnel, such as the Russian paratrooper’s 6B47 helmet with a ballistic face shield[1].
Title: Frontal Shield (Bird Anatomy)
Summary:
Frontal shields, also known as facial shields or frontal plates, are features of some bird species’ anatomy. They are composed of a hard, proteinaceous callus and a soft, fleshy corium. Frontal shields serve various functions, including protection, mate identification, sexual selection, and territorial defense. The size, shape, and color of frontal shields may exhibit testosterone-dependent variation in either sex during the year[2].
Title: Face Shields in General Applications
Summary:
Face shields are devices used to protect the wearer’s entire face or part of it from hazards such as impact, splash, heat, or glare. They are used in various industries, including construction, welding, and motorcycling, to protect against hazards like flash burn, ultraviolet light, sparks, infrared light, and heat. Face shields are also used in riot protection, space suits, and by firefighters[4].
Citations:
[1] https://en.wikipedia.org/wiki/Face_shield
[2] https://en.wikipedia.org/wiki/Frontal_shield
[3] https://en.wikipedia.org/wiki/File:Full_face_shield.jpg
[4] https://en.wikipedia.org/wiki/Eye_protection