What to Look For in a Professional Espresso Machine You'll want a machine that can be controlled the pre-infusion process, which is crucial to develop aroma and flavor. Many coffee experts look for PID temperature control in an industrial machine. If you plan to hire baristas with no experience, you https://coffeee-uk34836.blog-a-story.com/9923514/20-tips-to-help-you-be-better-at-buy-espresso-machine