Best Coffee Espresso Machine - Prosumer Models As the demand for espresso grows, so do the choices for consumers. Prosumer models of many commercial machines are currently available to consumers. These heavier systems require greater precision from the user for grinding and tamping, as well as extraction time, but they https://www-coffeee-uk99273.blogunteer.com/29191044/a-the-complete-guide-to-coffee-espresso-machines-from-beginning-to-end