https://www.coffeee.uk/product....s/melitta-barista-sm
Buying an Espresso Coffee Machine Espresso machines heat water until near-boiling and then force it through tightly packed ground coffee into portafilter baskets under pressure. They also provide steam for milk-based drinks. The majority of espresso machines are programmable settings that can alter the strength and volume of the beverage. They may also feature proportional-integral-derivative (PID) temperature controls, which monitor and control on-off cycles to keep the boiler at an optimal brewin
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