Benefits of an Espresso Machine In an espresso machine, hot water is forced under pressure to a high temperature through finely ground coffee beans. This produces a rich smooth drink that's known as espresso. The first espresso machines were steam-driven. They utilize one boiler to brew multiple drinks at once. https://coffeeeuk52978.tokka-blog.com/30006504/what-not-to-do-in-the-buy-espresso-machine-industry