Benefits of an Espresso Machine In an espresso machine hot water is forced through finely ground coffee beans. This produces a rich smooth and smooth drink, commonly called espresso. The first espresso machines were steam powered. These machines utilize a single boiler to brew several drinks at the same time. https://www-coffeee-uk10221.bloggerswise.com/36476008/watch-out-how-espresso-machine-is-taking-over-and-what-you-can-do-about-it