How Does Machine Espresso Work? The machine espresso is made using precise pressure, as well as a filter technology that is mind-blowing to create the coffee you love. How does it work exactly? Espresso is made by forcing hot water under high pressure through finely ground coffee. The process is https://www.coffeee.uk/products/de-longhi-stilosa-ec260-bk-traditional-pump-espresso-coffee-machine