How a Coffee Espresso Machine Works Understanding how complex devices operate can make them easier to use and appreciate. It can also help you decide which one is best for you. Two key espresso machine factors are pressure and temperature of the water. For optimal flavor extraction, water should be https://www-coffeee-uk83762.educationalimpactblog.com/52139050/20-reasons-why-coffee-espresso-machine-cannot-be-forgotten