How a Coffee Espresso Machine Works Understanding how complex devices operate can make them easier to use and appreciate. It can also help you determine which one is best for you. Two important factors in espresso machines are water temperature and pressure. For optimal flavor extraction, water should be between https://wwwcoffeeeuk74477.blog-gold.com/36625952/5-reasons-to-be-an-online-coffee-espresso-machine-buyer-and-5-reasons-not-to