How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines make use of pressure to push water through coffee grounds. This type of brewing produces a stronger drink than drip coffee. These machines require nine bars of pressure in order to extract the flavor from the ground. There https://www-coffeee-uk81692.blog2news.com/30344219/how-to-choose-the-right-coffee-machines-espresso-on-the-internet