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 bar of pressure to extract the flavor from the ground. Espresso machines are https://coffeee41931.blogdanica.com/29699333/10-coffee-machines-espresso-related-projects-that-stretch-your-creativity