How to Build a Professional Espresso Machine For coffee shops and cafes seeking to attract customers with an interest in barista and espresso, this is a great choice. It's the official machine for World Barista Championships and it truly shows. The barista can refill the water reservoir during their shift. https://wwwcoffeeeuk47366.targetblogs.com/30297115/who-s-the-top-expert-in-the-world-on-espresso-coffee-maker