What to Look For in a Professional Espresso Machine You'll want a machine which has the ability to control the pre-infusion process, which is crucial for establishing aroma and flavor. Many coffee experts also look for PID temperature control in a professional machine. If you're planning to hire baristas with https://coffeee-uk87516.affiliatblogger.com/82059861/the-main-issue-with-buy-espresso-machine-and-how-you-can-fix-it