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Beverage can


A beverage can is a metal container designed to hold a fixed portion of liquid such as carbonated soft drinks, alcoholic beverages, fruit juices, teas, herbal teas, energy drinks, etc. Beverage cans are made of aluminum (75% of worldwide production) or tin-plated steel (25% worldwide production). Worldwide production for all beverage cans is approximately 370 billion cans per year worldwide.

The first commercial beer available in cans began in 1935 in Richmond, Virginia. Not long after that, sodas, with their higher acidity and somewhat higher pressures, were available in cans. The key development for storing beverages in cans was the interior liner, typically plastic or sometimes a waxy substance, that helped to keep the product's flavor from being ruined by a chemical reaction with the metal. Another major factor for the timing was the repeal of Prohibition in the United States at the end of 1933.

In 1935, the small brewery at Felinfoel was the first brewery outside the USA to commercially can beer. Prior to this time, beer was only available in barrels or in glass bottles. From this time, lightweight tin cans could be used. Felinfoel Brewery was a major supplier to British armed forces abroad in the Second World War - cans saved a great deal of space and weight for wartime exports compared to glass bottles, and did not have to be returned for refilling. These early cans did not have a 'pull tab', instead they had a 'crown cork' (beer bottle top). All modern UK canned beer is descended from these small, early cans which helped change the drinking and beer-buying habits of the British public. From the 18th century until the early 20th century Wales dominated world tinplate production, peaking in the early 1890s when 80% of the world's tinplate was produced in south Wales.

Canned beverages were factory-sealed and required a special opener tool in order to consume the contents. Cans were typically formed as cylinders, having a flat top and bottom. They required a can piercer, colloquially known as a "church key", that latched onto the top rim for leverage; lifting the handle would force the sharp tip through the top of the can, cutting a triangular hole. A smaller second hole was usually punched at the opposite side of the top to admit air while pouring, allowing the liquid to flow freely.


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