Benefits of an Espresso Machine In an espresso machine hot water is forced under pressure to a high temperature through finely ground coffee beans. This creates a smooth, rich drink known as espresso. The first espresso machines were steam powered. These machines use one boiler to make several drinks simultaneously. https://www-coffeee-uk02441.elbloglibre.com/29723873/7-easy-tips-for-totally-refreshing-your-espresso-machine