What to Look For in a Professional Espresso Machine You'll want a machine which can be controlled the pre-infusion, which is essential to develop flavor and aroma. Many coffee experts also look for PID temperature control in an industrial machine. If you plan to hire baristas with no experience, you'll https://wwwcoffeeeuk89380.thechapblog.com/29304740/10-inspirational-images-of-buy-espresso-machine