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What role does Mill play in the application of mathematics?
A mil is a unit of length, representing one thousandth of an inch. It can be written as mil or you This unit is often used in engineering and science.

For example, it is used to indicate the thickness of photos, metal pieces, lines and fibers. Used in industry to express dimensions and their allowable errors. At present, it tends to use the length unit of the international system of units instead, such as millimeters. 1 mil = 0.00 1 inch 1 mil) =0.0254 mm.