Drip brewers and automated coffeemakers brew coffee using gravity. Within an automated coffeemaker, sizzling h2o drips on to espresso grounds that happen to be held in a paper, plastic, or perforated metal coffee filter, permitting the drinking water to seep throughout the ground coffee when extracting its oils and essences. https://caffe21875.scrappingwiki.com/858007/the_definitive_guide_to_café