Xi vs Stein

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La Roche-Bernard (Breton: Ar Roc'h-Bernez) is a commune in the Morbihan department of Brittany in...

Otaru (小樽市, Otaru-shi) is a city and port in Shiribeshi Subprefecture, Hokkaido, Japan, northwest...

The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit...

Xi