Final answer:
Cooking appliances are best installed with the cooking top or oven racks in the middle, but generally closer to the top for safety and ergonomic benefits.
Step-by-step explanation:
Cooking appliances should be installed so that the cooking top or oven racks are c. in the middle, but generally closer to the top. This position allows for safer and more efficient use of the appliance, reducing the risk of burns from having to reach too high or too low, and improves the overall ergonomics of the kitchen workspace. When planning a kitchen layout, it's important to consider the height of the primary users to ensure that the appliances are installed at a convenient and safe height.