What to Look For in a Professional Espresso Machine You'll want a machine that has the ability to control the pre-infusion, which is essential for establishing flavor and aroma. Many coffee experts also search for PID temperature control in an industrial machine. If you're planning to hire baristas with no https://www-coffeee-uk03044.bloguerosa.com/29141862/14-questions-you-might-be-afraid-to-ask-about-buy-espresso-machine