Benefits of an Espresso Machine In an espresso machine, hot water is pushed at high pressure through finely ground coffee beans. This produces a smooth, rich beverage known as espresso. The first espresso machines were steam powered. They use only one boiler to make several drinks at the same time. https://coffeee28334.timeblog.net/65628303/what-s-the-job-market-for-buy-espresso-machine-professionals