from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A part of various forms of mask or helmet that covers the nose and/or mouth and eyes.
Each consisted of a facepiece designed to fit comfortably over mouth and nose and flexible metal tubes that fit over the ears and behind the head to hold the contraption in place.
It is a method for checking that a tight fitting facepiece matches the person's facial features and seals adequately to the wearer's face.
FACEPIECE FIT TESTING What is facepiece fit testing?
Fit testing by a competent person identifies wearers who cannot achieve a good fit with a particular facepiece so they can be provided with an alternative model.
Matt Landon pulls a respirator over his longish hair, snugging the facepiece down over his nose and mouth.
2002, It is required to make sure respiratory protective equipment (RPE) incorporating a tight-fitting facepiece can fit the wearer well, helping to ensure they are correctly protected.