What type of trays put food in motion while inside the oven?

Revolving trays are specifically designed to put food in motion while inside the oven, allowing for even cooking and browning. This mechanism helps to ensure that all sides of the food are exposed to the heat source, reducing the chance of uneven cooking. The rotation allows for a more efficient use of the oven’s heat, leading to improved cooking results, particularly for items like pizzas or pastries that benefit from consistent exposure to the heat.

Mixing trays focus on the process of blending or combining food items and do not facilitate motion within the oven. Sliding trays generally refer to a design that allows items to be easily moved in and out but doesn't involve movement while cooking. Stacking trays are used for organizing multiple items, allowing them to be stacked for space-saving purposes but do not create movement during cooking either.

In summary, revolving trays are the primary type known for maintaining motion during the cooking process in the oven, which is integral for optimizing heat distribution and achieving better cooking outcomes.