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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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A sari (sometimes also shari or misspelled as saree) is a women's garment from the Indian subcontinent that consists of an unstitched drape varying from 4.5 to 9 metres (15 to 30 feet) in length and 600 to 1,200 millimetres (24 to 47 inches) in breadth that is typically wrapped around the waist, with one end draped over the shoulder, partly baring the midriff. There are various styles of sari manufacture and draping, the most common being the Nivi style, which originated in the Deccan region.
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