What to Look For in a Barista Espresso Machine The espresso machine is among the most complex coffee machines on the planet. It consists of three main components. The bottom holds the water while the middle is a basin for filtration with a metal filter. This machine was a huge https://wwwcoffeeeuk03517.laowaiblog.com/29117777/a-brief-history-of-the-evolution-of-espresso-machine