Benefits of an Espresso Machine In an espresso machine, hot water is forced at high pressure through finely ground coffee beans. This results in a rich smooth and smooth drink, commonly called espresso. The first espresso machines were steam-driven. They use an individual boiler to brew several drinks at once. https://wwwcoffeeeuk08319.sharebyblog.com/29675064/what-not-to-do-during-the-buy-espresso-machine-industry