How Does Machine Espresso Work? Machine espresso uses precision pressure and mind-blowing filter technology to create the delicious coffee we enjoy. What exactly does it work? Espresso is made by pushing hot water at high pressure through finely ground coffee. The process is similar to that of making drip coffee. https://coffeee-uk39812.bloggerbags.com/34950281/how-to-get-more-results-out-of-your-espresso-machine-sale