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A major problem in designing highly specialized equipment such as oxygen masks, respirators, etc, is that the effectiveness of the equipment depends on its appropriateness for the size and shape of the body part for which it is designed. However, in general, among the individuals who are likely to be using this equipment, there is considerable heterogeneity(More)
Three-dimensional (3D) body scanners are increasingly used to derive 1D body dimensions from 3D whole body scans for instance, as input for clothing grading systems to make made-to-measure clothing or for width and depth dimensions of a seated workstation. In this study, the precision of the scanner-derived 1D dimensions from the CAESAR survey, a(More)
Fit for the modern flight helmet is not just comfort, but includes proper placement of added components (e.g., earcups, helmet-mounted optics, etc.), stability, and even center of gravity location. Many fielded and prototype helmets have been criticized for poor fit, not providing adequate sizes, and compromising safety. In this paper, evidence from studies(More)