How Does Machine Espresso Work? Machine espresso utilizes precise pressure and mind-blowing filter technology to make the perfect cup of coffee. How does it work exactly? Espresso is made by pushing hot water under high pressure through finely-ground coffee. The process is similar to making drip coffee, but the major https://www.coffeee.uk/products/tower-espresso-machine-with-frothing-function-glass-carafe