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Wikipedia: Brewing is the production of beer through steeping a starch source (commonly cereal grains) in water and then fermenting with yeast. Brewing has taken place since around the 6th millennium BC, and archeological evidence suggests that this technique was used in ancient Egypt. Descriptions of various beer recipes can be found in Sumerian writings, some of the oldest known writing of any sort.
![[Beer being fermented by brewers yeast]](http://images.ookaboo.com/photo/s/2009_03_21_Beer_brewing_bubbles_s.jpg "Beer being fermented by brewers yeast")
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![[Fermenting tanks with yeast being used to brew beer]](http://images.ookaboo.com/photo/s/Samadams2_s.jpg "Fermenting tanks with yeast being used to brew beer")
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 from Specious |
 from Kafziel |
![[Boilers at the Samuel Adams brewery]](http://images.ookaboo.com/photo/s/Samadams_s.jpg "Boilers at the Samuel Adams brewery")
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![[A mixture of diatomaceous earth and yeast after filtering.]](http://images.ookaboo.com/photo/s/DE_and_yeast_crop_s.jpg "A mixture of diatomaceous earth and yeast after filtering.")
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from Kafziel |
from SilkTork |
![[Brew kettles at Coors Brewing Company.]](http://images.ookaboo.com/photo/s/Coors_Brew_Kettles_s.jpg "Brew kettles at Coors Brewing Company.")
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from Dual_Freq |
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