Okka Disk Artists
Okka means various things: * For the Ottoman unit of weight, see Oka (measure) * For the water-pipe, see Hookah It might also refer to: * Okka Rau (born 1977), German beach volleyball player * Okka Disk Okka Disk is an independent American jazz record company and label founded in Chicago by Bruno Johnson in 1994. Okka began as a rock music label, but Johnson soon changed direction to record free jazz.

Oka (measure)
The oka, okka, or oke () was an Ottoman Empire, Ottoman measure of mass, equal to 400 dirham, dirhems (Ottoman dram (unit), drams). Its value varied, but it was standardized in the late empire as 1.2829 kilograms. 'Oka' is the most usual spelling today; 'oke' was the usual contemporary English spelling; 'okka' is the modern Turkish spelling, and is usually used in academic work about the Ottoman Empire. In Albania, oka varied in weight between 1.25 kg (small oka) and 1.408 kg (large oka) depending on the region. It was formally replaced by the metric system in 1922 but continued to be used until a comprehensive implementation of the metric system in 1946. In Turkey, the traditional unit is now called the ''eski okka'' 'old oka' or ''kara okka'' 'black okka'; the ''yeni okka'' 'new okka' is the kilogram. In Greece, the oka (, plural ) was standardized at 1.282 kilogram, kg and remained in use until traditional units were abolished on March 31, 1953—the SI, metric system had been a ...
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Hookah
A hookah (also see #Names and etymology, other names), shisha, or waterpipe is a single- or multi-stemmed instrument for heating or vaporizing and then smoking either tobacco, flavored tobacco (often ''muʽassel''), or sometimes Cannabis (drug), cannabis, hashish and opium. The smoke is passed through a water basin—often glass-based—before inhalation. The major Health effects of tobacco, health risks of smoking tobacco, Effects of cannabis#Related to smoking, cannabis, opium and other drugs through a hookah include exposure to Toxicant, toxic chemicals, carcinogens and Heavy metals#Toxicity, heavy metals that are not filtered out by the water, alongside those related to the transmission of infectious diseases when hookahs are shared or not properly cleaned. Hookah and waterpipe use is a global public health concern, with high rates of use in the populations of the Middle East and North Africa as well as in young people in the United States, Europe, Central Asia, and South A ...
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Okka Rau
Okka Rau (born January 5, 1977, in Leer, Lower Saxony, Leer, Lower Saxony) is a former beach volleyball player from Germany. She won the gold medal at the 2003 European Beach Volleyball Championships, 2003 European Championships in Alanya, partnering with Stephanie Pohl (beach volleyball), Stephanie Pohl. She represented her native country at the 2004 Summer Olympics in Athens, Greece, and the 2008 Summer Olympics in Beijing, China. Rau played volleyball with the club Hamburger SV in Hamburg, Germany. Playing partners * Stephanie Pohl (beach volleyball), Stephanie Pohl * Mireya Kaup References External links * * Beijing 2008 Olympics Profile
* 1977 births Living people People from Leer German women's beach volleyball players Beach volleyball players at the 2004 Summer Olympics Beach volleyball players at the 2008 Summer Olympics Olympic beach volleyball players for Germany Volleyball players from Hamburg 21st-century German sportswomen {{Germany-volleyball-bio- ...
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