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Wikipedia definition
1. Oxygen barAn oxygen bar is an establishment, or part of one, that sells oxygen for recreational use. Individual flavored scents may be added to enhance the experience. The flavors in an oxygen bar come from bubbling oxygen through bottles containing aromatic solutions before it reaches the nostrils: most bars use food-grade particles to produce the scent, but some bars use aroma oils.
Read “Oxygen bar” on English Wikipedia
Read “酸素バー” on Japanese Wikipedia
Read “Oxygen bar” on DBpedia

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