1/31/08

Espresso Machine


An Espresso Machine is used to produce the traditionally Italian coffee beverage called espresso.Generally, espresso is produced by forcing 90?C (200?F) water through 7-10 grams of finely ground coffee, which has been compressed with approximately 30 lbf (130 N) of force into a densely packed puck, at a pressure of 900 kPa (9 bars) or greater.
Types of espresso machine Steam-driven,Piston-driven,Pump-driven,Semi-automatic, automatic, and super automatic,Air-pressure driven

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