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A soft drink is a beverage that does not contain alcohol. Carbonated soft drinks are commonly known as soda, soda pop, or "pop", in the United States, soda or pop in Canada, fizzy drinks or pop in the United Kingdom and sometimes minerals in Ireland. The name "soft drink" specifies a lack of alcohol by way of contrast to the term "hard drink". The term "drink", while nominally neutral, sometimes carries connotations of alcoholic content. Beverages like colas, sparkling water, iced tea, lemonade, squash, and fruit punch are among the most common types of soft drinks, while hot chocolate, hot tea, coffee, milk, tap water, and milkshakes do not fall into this classification. Many carbonated soft drinks are optionally available in versions sweetened with sugars or with non-caloric sweeteners.
More info at: http://en.wikipedia.org/wiki/Soft_drink
A beverage can (or drinks can) is most often an aluminum can manufactured to hold a single serving of a beverage.
More info at: http://en.wikipedia.org/wiki/Beverage_can