单词	procedure mask
释义	procedure mask noun variants or procedure face mask or less commonly procedural mask or procedural face mask plural procedure masks or procedure face masks also procedural masks or procedural face masks : a nonsterile, disposable, rectangular-shaped face mask typically of nonwoven material (such as polypropylene) that covers the mouth and nose, that usually has elastic ear loops for securing to the face, and that is intended to be worn by medical personnel (as during medical procedures or while attending to patients) especially to prevent the spread of airborne infectious agents (such as bacteria or viruses) Procedure masks should not be used interchangeably with surgical masks in the OR. Surgical masks possess higher filtration capability and fluid resistance than procedure masks. Dorothy Fogg Founder Johnny Morris of the Springfield, Missouri-based [Bass Pro Shops] chain announced he plans to send one million standard procedure face masks to health care workers and first responders working nationally during the COVID-19 crisis … Lisa Vernon Sparks A Penn State COVID-19 task force has released initial recommendations on the use of personal protective equipment in campus classrooms and laboratories. … The general recommendation, based on testing, is for instructors to wear a procedure mask with sound amplification while teaching in the general classroom setting … Centre Daily Times (State College, Pennsylvania) compare surgical mask Word History First Known Use 1996, in the meaning defined above
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