Benefits of an Espresso Machine In an espresso machine hot water is pushed at high pressure through finely grounded coffee beans. This results in a smooth, rich drink referred to as espresso. The first espresso machines were steam-powered. They utilize a single boiler to brew several drinks at one time. https://wwwcoffeeeuk73000.aboutyoublog.com/31110360/15-of-the-top-buy-espresso-machine-bloggers-you-must-follow