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The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception.
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Staffordshire Moorlands is a local government district in Staffordshire, England. Its council, Staffordshire Moorlands District Council, is based in Leek and is located between the city of Stoke-on-Trent and the Peak District National Park. The 2001 census recorded the population as 94,489.Principal industries are agriculture, fashion and tourism. The area's three towns are Leek, Cheadle and Biddulph.