How a Coffee Espresso Machine Works Understanding how complex devices function will make them easier to comprehend and appreciate. You can also choose which device is best for you. Two of the most important espresso machine elements are pressure and temperature of the water. Water needs to be between 195 https://www-coffeee-uk99273.blogunteer.com/29190952/how-to-become-a-prosperous-coffee-espresso-machine-entrepreneur-even-if-you-re-not-business-savvy