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Though fine dust on the side of the road has decreased substantially due to environmental regulations, the adverse effects on the human due to air pollution still cannot be ignored. In this study, we aim to determine the effect of the vehicle’s brake usage on air pollution and the human skin according to the brake pad conditions. A friction experim...
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Context 1
... the case of additives, a small amount was applied to the skin, spread with a sterilized stick, and left for 30 min. See the Table 3 for detailed setting and conditions. An experiment was conducted after confirming that the pattern of the skin could be distinguished by observing it under a microscope. ...