What is Soda fountain?
[[File:Soda fountain in São Paulo downtown.jpg|thumb|Soda shop in downtown [[São Paulo]], [[Brazil]]]] [[File:Soda fountain in China 01.jpg|thumb|A soda fountain, in [[China]]. A small cup costs 1 yuan, and a larger one 1.5 yuan.]] [[File:Nizhny-Novgorod-Soda-Fountains-0535.jpg|thumb|Self-service [[Russia]]n-style soda fountains, in [[Nizhny Novgorod]], in 2007.]] A '''soda fountain''' is a [[machine]] that produces [[carbonated]] [[Soft drink|soft drinks]], known as '''fountain drinks'''. It does this by mixing a flavored [[syrup]] or a [[concentrate]], with [[carbon dioxide]] and purified (usually chilled) [[water]]. The process can either be done manually, or it can be automated, by a [[vending machine]]. The first soda fountains appeared in the 18th century. They spread during the 19th century and were widely used by the early 20th century. [[Category:Soft drinks]] [[Category:Machines]]