How a Coffee Espresso Machine Works Understanding how complex devices function can help them to understand and appreciate. It will also help you decide which one is the best fit for you. Water temperature and pressure are two key factors in espresso machines. The water temperature should be between 195 https://www-coffeee-uk93426.xzblogs.com/71099060/this-is-what-coffee-espresso-machine-will-look-in-10-years-time