How Does Machine Espresso Work? Machine espresso uses precision pressure and amazing filter technology to make the coffee we love. What exactly is it that makes it work? Espresso is made by forcing hot water under pressure through finely-ground coffee. The process is similar to making drip coffee. However, the https://coffeeeuk96832.blogspothub.com/29254283/why-we-why-we-espresso-machine-sale-and-you-should-too