Coffee and Espresso Machines Espresso machines make use of pressure to force water into finely ground and tamped beans. They produce a rich, delicious cup. Good Housekeeping Institute experts recommend models that use a minimum of 9 bars for a perfect extraction. Beware of brands who claim they use more https://coffeee93243.blogolize.com/10-coffee-machines-espresso-related-projects-to-expand-your-creativity-69099423