What to Look For in a Barista Espresso Machine The espresso machine is among the most complicated coffee machines in the world. It is comprised of three main parts. The bottom holds the water and the middle is a basin for filtration with a filter made of metal. This machine https://coffeee-uk26882.wizzardsblog.com/29778755/what-not-to-do-in-the-commercial-espresso-machine-industry