How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines push water through the coffee grounds via pressure. This type of brewing makes more strength than drip coffee. These machines require nine bars of pressure in order to extract the flavor from the ground. Espresso machines are available https://coffeee-uk34244.collectblogs.com/75224762/how-to-create-successful-coffee-machines-espresso-how-tos-and-tutorials-to-create-successful-coffee-machines-espresso-home