Therefore, this study discussed the influences of liquid viscosity and floor roughness upon slip-resistance effect adopting two shoe materials, six liquid with different viscosity and six floors with different roughness. In kitchens, oil, sauces and liquid with higher viscosity are easily spread on floor. The appropriate roughness of floor surface could be effective to improve the squeeze film effect caused by liquid while the floor is contaminated by liquid or oil. According the formula of squeeze film, when the floor is contaminated with liquid, the higher the liquid viscosity the longer time to connect shoes with floor, the higher the risk of falling. Slipping, tripping and falling which causes serious damages and losses happen all the time within household and work areas. Abstract of research paper on Economics and business, author of scientific article - Ching-Chung Chen, Zhi-Xuan Chen, Chih-Lin Chang, Fang-Ling Lin
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