How Does Machine Espresso Work? Machine espresso makes use of precise pressure and mind-blowing filter technology to create the perfect cup of coffee. What exactly does it work? Espresso is made by forcing hot water under high pressure through finely-ground coffee. The process is similar to that of making drip https://coffeee32356.tinyblogging.com/10-espresso-coffee-machine-tricks-all-experts-recommend-73497172