Benefits of an Espresso Machine In an espresso machine hot water is pushed under high pressure through finely ground coffee beans. This produces a smooth, rich beverage known as espresso. The first espresso machines were powered by steam. They use only one boiler to make several drinks at the same https://www-coffeee-uk06337.glifeblog.com/29136058/10-wrong-answers-for-common-buy-espresso-machine-questions-do-you-know-the-right-answers