Face Shield 2 : A supplementary protective device worn to shield the wearer's face from certain hazards. Face shields are secondary protectors only and must be worn with safety glasses or goggles
National Institute for Occupational Safety and Health (NIOSH), Centers for Disease Control and Prevention (CDC), The Emergency Response Safety and Health Database, Atlanta, GA, USA 2014. http://www.cdc.gov/NIOSH/ershdb/glossary.html#B, (Emr Resp Sfty and Hlth Database - Amer) {794}