Coffee Machine Espresso Coffee machine espresso creates a rich cup of coffee by using hot water pushed under pressure through tightly compacted grounds. There are many processes that take place behind the scenes to ensure the same quality of coffee. Pressure and temperature of water are the two main elements. https://coffeee78434.webdesign96.com/30332163/don-t-make-this-silly-mistake-when-it-comes-to-your-best-budget-espresso-machine