How a Coffee Espresso Machine Works Understanding how complex devices function can help them to understand and appreciate. You can also determine which device is best for you. Water temperature and pressure are two of the most important factors in espresso machines. For optimal flavor extraction the water should be https://coffeee-uk57600.dbblog.net/3063194/how-coffee-espresso-machine-is-a-secret-life-secret-life-of-coffee-espresso-machine