Coffee Machine Espresso Espresso machine coffee produces a smoky cup of coffee by using hot water pushed under pressure through the tightly compacted grounds. There are many processes that take place behind the scenes to ensure consistency in quality. Pressure and temperature of water are the two most crucial components. https://wwwcoffeeeuk77709.tkzblog.com/29687756/20-tools-that-will-make-you-better-at-best-budget-espresso-machine