How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines push water through the coffee grounds with pressure. This type of brewing results in more flavor than drip coffee. The machines require nine bars of pressure in order to extract the flavor from the ground. There are three https://www-coffeee-uk23067.like-blogs.com/29650691/5-laws-that-will-help-with-the-espresso-machine-industry