https://click4r.com/posts/g/19....038638/the-most-perv
Buying an Espresso Coffee Machine Espresso machines heat water to near boiling. They then push it under high pressure through tightly packed ground coffee into portafilters. They also provide steam for milk-based drinks. The majority of espresso makers have customizable settings for different sizes of drinks and strengths. They may also feature proportional-integral-derivative (PID) temperature controls, which monitor and control on-off cycles to keep the boiler at an optimal brewing tempe
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