Waste disposal units (garbage disposal units, to Americans) have been common in the US for many years now, and are slowly finding their way into European kitchens. These are usually fitted directly under the kitchen sink and catch solid waste (such as vegetable peelings) before it gets into the drain. When switched on, the waste disposal unit grinds food materials into a runny pulp, which is then washed down the drain without causing a blockage.

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