How Does Machine Espresso Work? The machine espresso makes use of precision pressure, and a filter technology that is awe-inspiring to make the coffee you enjoy. What exactly is it that makes it work? Espresso is created by forcing hot water under high pressure through finely ground coffee. The process https://www.coffeee.uk/products/de-longhi-specialista-prestigio-espresso-cappuccino-machine-black-ec9355-bm