How Does Machine Espresso Work? The machine espresso is made using precision pressure, and a filter technology that is mind-blowing to make the coffee you love. What exactly is it that makes it work? Espresso is created by forcing hot water under pressure through finely-ground coffee. The process is similar https://coffeeeuk69684.blogs100.com/30236926/7-things-you-never-knew-about-espresso-coffee-machine