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A face shield is a device used to protect wearer's entire face (or part of it) from hazards such as impact, splash, heat, or glare. With face shields, as with welding helmets and hand shields, the user is continually lifting and lowering the visor. To protect the eyes when the visor is lifted, spectacles should be worn underneath.
The eyeshield was created to protect the eyes of football players during games and practices. It is a curved piece of plastic that attaches to the front of a football helmet. Safety equipment such as the facemask, eyeshields, and other face shields have been adopted over time to prevent player injury.
Z94.3-15 Eye and Face Protectors Class 6 relates to face shields, and is divided into 3 sub-classes 6A – Impact, piercing, splash, head, and glare protection. 6B – Radiation protection. Also for low heat, splash, glare, and light non-piercing impact protection. 6C – High-heat applications and light non-piercing impact protection only.
Most countries outside of the continental US, especially Europe, use a different style of fire helmet which covers more of the head, including the ears, and will sometimes have a nape protector at the back. This style is often referred to as a "Euro" style helmet, and most are fitted with a full face visor, eye protection, and a light.
A visor (also spelled vizor) is a surface that protects the eyes, such as shading them from the sun or other bright light or protecting them from objects. Nowadays many visors are transparent, but before strong transparent substances such as polycarbonate were invented, visors were opaque like a mask .
The simplest form is a hard shell with reinforced padding, and a chinstrap and a hinge-up (usually polycarbonate) visor, as in this image. These riot protection helmet visors are usually curved sideways and straight up-and-down, not curved both ways like on the older type of motorcycle helmet. One accessory is a back-of-the-neck protector.
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