How does a dishwasher actually clean plates?
Quick Answer
A dishwasher cleans by spraying hot water mixed with detergent at high pressure and then rinsing and drying the dishes. The combination of heat, water jets, and chemicals removes grease and food residue.
The Full Story
Inside a dishwasher, a pump forces water through rotating spray arms so it reaches dishes from many angles. Detergents contain surfactants and enzymes that break down fats and food particles, while hot water helps loosen grime and improve cleaning. A rinse cycle removes soap and loose residue, and the machine then uses heat or a fan-assisted system to dry the contents. Modern dishwashers are designed to use less water than washing by hand in many cases. Their cleaning performance depends on loading, water temperature, and detergent quality.
Key Facts
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