We usually think of "smooth" as "slick" or "slippery." But did you know that a surface that is too smooth can actually be 'sticky'? Racing slicks on dragsters increase traction with the pavement, and a racing sailboat hull that is too smooth can actually increase drag through the water.
INS P E C T ION MEASURING SURFACE ROUGHNESS AND TEXTURE The nature of a part’s surface should be determined by the part’s func
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