Coffee Machine Espresso Coffee machine espresso produces a smoky cup of coffee using hot water forced under pressure through compacted grounds. There's a lot going behind the scenes to ensure consistently high-quality coffee. Temperature and pressure of water are the two main factors. You can control these variables using a https://coffeee64290.bloggactivo.com/29354043/an-adventure-back-in-time-how-people-talked-about-best-budget-espresso-machine-20-years-ago