How Does Machine Espresso Work? Machine espresso makes use of precise pressure and mind-blowing filter technology to make the perfect cup of coffee. What exactly is it that makes it work? Espresso is made by forcing hot water under high pressure through finely-ground coffee. The process is similar to that https://coffeee41931.blogdanica.com/29698990/20-things-you-should-be-educated-about-best-home-espresso-machine