What to Look For in a Professional Espresso Machine You'll require a machine that has the capability to control the pre-infusion. This is essential to develop flavor. Many coffee experts also look for PID temperature control in an industrial machine. If you're planning to hire baristas with little experience, you'll https://coffeee-uk72401.webbuzzfeed.com/30349731/15-gifts-for-your-buy-espresso-machine-lover-in-your-life