Benefits of an Espresso Machine In an espresso machine hot water is forced under high pressure through finely ground coffee beans. This creates a rich, smooth drink that's commonly known as espresso. The first espresso machines were powered by steam. They use a single boiler to brew several drinks simultaneously. https://www-coffeee-uk94163.tusblogos.com/29804662/the-leading-reasons-why-people-are-successful-in-the-espresso-machine-industry