What type of safety equipment is a full face shield used for?

A full face shield is specifically designed to provide comprehensive protection for the user's entire face, which includes the eyes, nose, and mouth. This type of safety equipment is particularly important in environments where there is a risk of exposure to hazardous materials, such as chemical splashes or flying particles. The design of a full face shield allows it to cover all facial areas, effectively shielding them from potential hazards that could cause injury or contamination.

In laboratory and industrial settings, workers often use full face shields in combination with other personal protective equipment, such as safety goggles and gloves, to ensure complete safety while handling substances that could be harmful. This protective gear is essential in situations where splashes are likely, such as working with corrosive chemicals, which emphasizes its role in safeguarding the wearer's face from both chemical exposure and physical impact.

The other options provided do not accurately describe the primary function of a full face shield, thus highlighting its specialized use for protection in hazardous situations.