Home Espresso Machines Espresso machines makes use of hot water under pressure to force through coffee grounds. It takes some time to determine the ideal conditions for brewing however once you've done it, you'll never be able to go back. The most efficient machines have reservoirs or a plumbed connection https://wwwcoffeeeuk95371.humor-blog.com/29117073/test-how-much-do-you-know-about-espresso-machine