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Espresso machine

An espresso machine is a device that brews coffee by forcing pressurized water near boiling point through a "puck" of ground coffee and a filter in order to produce a thick, concentrated coffee called espresso that is the base for many traditional Italian coffee beverages. Multiple machine designs have been created to produce espresso. Several machines share some common elements.

Varying the fineness of the grind, the amount of pressure used to tamp the grinds, or the pressure itself can be used to vary the taste of the espresso. Some baristas pull espresso shots directly into a pre-heated demitasse cup or shot glass, to maintain a higher temperature of the espresso.

An espresso machine may also have a steam wand which is used to steam and froth liquids, to include milk, for beverages such as the cappuccino and latte.

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