Coffee is not particularly understand, but can also answer questions in front of you . Steam engine no Italian espresso , the espresso is his name. High-pressure steam , the temperature is high, the coffee powder in a short time the essence of the merger out , so that the taste of strong coffee from a cup of espresso ~ ~ General of the volume is 50 ml, equivalent to the amount of regular coffee 1/4 . On the basis of espresso , add all ingredients, using different techniques, this is called the coffee estate, more particularly , cappuccino , then iron , and so on. Regarding the drip coffee maker style , usually called American coffee machine . Directly through the coffee powder is hot , so the coffee tastes lighter, suitable for fixing deep roasted coffee. Coffee comes out of this, what tricks did not seem right :) that seem to make iced coffee ~ ~ ha ha As for your supplementary question, I really do not know ~ ~ ~ I personally prefer to use the left Mandailing mocha pot , strong enough ! ! !