How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines make use of pressure to force water through coffee grounds. This type of brewing produces a stronger drink than drip coffee. These machines require nine bar of pressure to extract the flavor from the ground. There are three https://coffeee-uk94017.mybjjblog.com/15-terms-everyone-who-works-in-espresso-machine-industry-should-know-43133449