What to Look For in a Professional Espresso Machine You'll need a machine with the capability to regulate the pre-infusion. This is essential for the development of flavor. Many coffee experts look for PID temperature control in an industrial machine. If you plan to hire baristas with little experience, you'll https://wwwcoffeeeuk77709.tkzblog.com/29710828/the-biggest-issue-with-buy-espresso-machine-and-how-you-can-repair-it