Abstract
Abstract The force that a respirator facepiece exerts against the face was investigated as a factor in respirator discomfort. An experiment was designed to test the hypothesis that some locations on the face are more sensitive to force than other locations. Twelve facial locations were selected and subjected to five different forces. On the basis of psychophysical measurements obtained from 12 subjects, it was concluded that facial locations do differ in sensitivity to force, but that these differences are not significant enough to warrant any major changes in respirator facepiece design.
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