No, not all microwaves have rotating mechanisms. The rotating mechanism, often referred to as a turntable, is a feature commonly found in most modern microwave ovens. It is designed to rotate the food while it is being heated, which helps to ensure more even cooking by reducing hotspots and promoting uniform distribution of heat.
However, there are some microwave models available that do not have a rotating mechanism. These models may use alternative methods to achieve even cooking, such as relying on the design of the microwave cavity, use of stirrers, or other techniques to distribute the microwaves more evenly.
Microwaves without a rotating mechanism may be less common and often found in smaller or simpler microwave models. They can still be effective for basic heating and cooking tasks but may require more frequent manual stirring or repositioning of the food to achieve even cooking.
If you are unsure whether a specific microwave model has a rotating mechanism, it is recommended to check the product specifications or consult the manufacturer's documentation for the specific microwave model you are interested in.