
Techstuff Classic: How Coffee Machines Work
TechStuff
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An Expresso Machine Is Like a Coffee Machine
An expresso machine can be as simple as many of the devices we were talking about earlier, just like a lheatable water reservoir placed beneath a disc of grounds. The ideal temperature for expresso is below boiling, somewhere around a hundred n 92 degrees fahrenheit, in fact. Most expresso machines use a pump in order to not overheat the water.
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