Benefits of an Espresso Machine In an espresso machine hot water is forced under high pressure through finely ground coffee beans. This results in a rich smooth drink that's called espresso. The first espresso machines were powered by steam. They use one boiler to make multiple drinks at a time. https://coffeee-uk49188.bleepblogs.com/30280827/the-10-most-scariest-things-about-buy-espresso-machine