How Does Machine Espresso Work? The machine espresso uses precision pressure, and filter technology that is mind-blowing to create the coffee you love. But how exactly does it work? Espresso is produced by pushing hot water under high pressure through finely-ground coffee. The process is similar to making drip coffee, https://wwwcoffeeeuk74477.blog-gold.com/36584068/5-killer-quora-answers-to-best-home-espresso-machine