A detailed cross-section illustration of a drip coffee maker showing its internal mechanism and how it works. Cutaway view revealing: water reservoir on the side, one-way valve, aluminum heating tube at the bottom with heater coil, rising hot water tube (riser tube), shower head distributing hot water evenly over coffee grounds in the filter basket, brewed coffee dripping into the carafe below on a warming plate. Include arrows showing the flow: cold water flowing down to heater, heating causing bubbles to push hot water up the tube, hot water showering the grounds, extraction and dripping down. Labeled parts in English: Water Tank, Heater, Check Valve, Riser Tube, Shower Head, Filter Basket, Carafe, Warming Plate. Clean vector style, educational diagram, colorful yet clear, side view, high resolution.