How Does Machine Espresso Work? The machine espresso utilizes precision pressure, and a filter technology that is awe-inspiring to create the coffee you enjoy. What exactly is it? Espresso is created by forcing hot water at high pressure through finely-ground coffee. The process is similar to that of making drip https://www.coffeee.uk/products/fimei-espresso-machine-with-milk-frother-20-bar