Buying an Espresso Coffee Machine Espresso machines heat the water to near boiling, and then force it under pressure to pass through tightly packed ground coffee portafilters. They also provide steam for milk-based drinks. Most espresso machines have programmable settings that can alter the strength and volume of the drink. https://coffeee78434.webdesign96.com/30349378/a-peek-in-coffee-espresso-machine-s-secrets-of-coffee-espresso-machine