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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 van is a type of road vehicle used for transporting goods or people. Depending on the type of van, it can be bigger or smaller than a truck and SUV, and bigger than a common car. There is some varying in the scope of the word across the different English-speaking countries. The smallest vans, microvans, are used for transporting either goods or people in tiny quantities. Mini MPVs, compact MPVs, and MPVs are all small vans usually used for transporting people in small quantities.
Arnhem (, also US: , Dutch: [ˈɑrnɛm] (listen) or [ˈɑrnɦɛm] (listen); German: Arnheim; South...
Craiova (, also US: , Romanian: [kraˈjova] (listen)), Romania's 6th largest city and capital of...
Porto Alegre (UK: , US: , local Portuguese: [ˈpoɾtu aˈlɛɡɾi] (listen); lit. '"Joyful...