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. The machines require nine bars of pressure in order to extract the flavor from the ground. There https://coffeee38794.verybigblog.com/29338906/what-is-coffee-machines-espresso-what-are-the-benefits-and-how-to-make-use-of-it