How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines use pressure to push water through coffee grounds. This type of brewing creates a stronger beverage than drip coffee. These machines require nine bars of pressure to extract the flavor from the ground. There are three main kinds https://www-coffeee-uk40617.blogstival.com/52251260/how-to-design-and-create-successful-coffee-machines-espresso-guides-with-home