Advanced Automatic coffee machine
Aside the usual and common make-up of home and office coffee machines, The more complex automatic industrial coffee machines will consist of features such as an Incorporated boiler drain, which is similar but much more advanced than those found in home coffee makers, safety thermostat for temperature control, element resistance apparatus, internal displacement pump, infusing piston brass unit, Electronic unit control, Plated steam and hot water spout, electro-mechanical bypass system, safety valves, stainless steel cup guard, back flow boiler valve, and many more. They require much more care and high skill level of operation but their working mechanism is quite similar to the simple home coffee machines.