How Does Machine Espresso Work? Machine espresso makes use of precise pressure and amazing filter technology to make the delicious coffee we enjoy. What exactly is it? Espresso is made by forcing hot water under high pressure through finely-ground coffee. The process is similar to that of making drip coffee. https://www-coffeee-uk81692.blog2news.com/30343887/it-s-a-best-home-espresso-machine-success-story-you-ll-never-believe