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 to develop flavor and aroma. Many coffee experts look for PID temperature control in a professional machine. If you are planning to hire baristas with https://coffeeeuk65228.link4blogs.com/51825938/what-s-holding-back-from-the-buy-espresso-machine-industry