Benefits of an Espresso Machine In an espresso machine, hot water is forced under high pressure through finely ground coffee beans. This produces a rich, smooth drink that's commonly called espresso. The first espresso machines were powered by steam. These machines use only one boiler to make several drinks at https://www-coffeee-uk99962.bloggazzo.com/29222165/10-fundamentals-concerning-espresso-machine-you-didn-t-learn-in-school