Benefits of an Espresso Machine In an espresso machine hot water is pushed through the finely ground coffee beans. This produces a smooth, rich beverage known as espresso. The first espresso machines were powered by steam. They use a single boiler to brew several drinks at one time. The water https://www-coffeee-uk98701.idblogz.com/30290387/a-brief-history-of-the-evolution-of-espresso-machine