How Does Machine Espresso Work? The machine espresso makes use of precise pressure and filter technology that is mind-blowing to create the coffee you enjoy. What exactly is it? Espresso is produced by pushing hot water under pressure through finely-ground coffee. The process is similar to making drip coffee, but https://www.coffeee.uk/products/de-longhi-specialista-prestigio-espresso-cappuccino-machine-black-ec9355-bm