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 drink, 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-uk00081.techionblog.com/29808638/the-three-greatest-moments-in-buy-espresso-machine-history