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Plastic kitchenware is preferred over metal kitchenware due to the following reasons:
1) Plastic kitchenware is lighter compared to metal kitchenware. [1 Mark]
2) Plastic kitchenware is cheaper compared to metal kitchenware. [1 Mark]
3) Plastic kitchenware does not rust or react with food items like metal kitchenware as plastic is a non-reactive material. [1 Mark]