The word Espresso has two interrelated meanings: one is pressed or squeezed, and the other is short-term or rapid. Espresso has the laudatory name of the soul of coffee, all espresso system coffee (cappuccino, latte, etc.) is based on this. Espresso is to grind 14-16 grams of heavy-roasted coffee beans into fine coffee powder. After 9 atmospheric pressure and a high temperature of about 90 degrees Celsius, 30-45 milligrams of espresso liquid is rapidly extracted in a short time of 18-22 seconds. Double Espresso is served with double coffee and water, but brewed at the same time as the single serving.
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