Coffee Machine Espresso Espresso coffee machine produces a smoky cup of coffee with hot water that is forced through compacted grounds. There are many activities that go on behind the scenes to ensure consistency in quality. The key factors are temperature of the water and pressure. A good espresso machine https://www-coffeee-uk98019.thezenweb.com/a-brief-history-of-the-evolution-of-best-budget-espresso-machine-67667992