What to Look For in a Professional Espresso Machine You'll need a machine that has the ability to control the pre-infusion. This is crucial to develop flavor. Many coffee experts also search for PID temperature control in an industrial machine. If you're planning to hire baristas who have no experience, https://coffeee-uk72401.webbuzzfeed.com/30365751/15-weird-hobbies-that-will-make-you-better-at-buy-espresso-machine