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The variables studied included the percentages of steel fibers used (0, 1, 2 and 3) % and the fraction of depth containing the steel fibers (0.25, 0.5, 0.75 and 1). Experimental results show that the failure load increases with the increase in the fraction of depth where the steel fibers were distributed.

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This mask, which is crafted out of high quality neoprene and easily adjustable velcro, provides 95% filtration for cleaner breathing. The provided Carbon Activated Filters help prevent the inhalation of dust particles, smoke, and odors, however, It is important to note that these masks are neither FDA approved nor are they N95.