What is the purpose of the metal rack that comes in some microwaves and is it safe to use the microwave with it in place?

What is the purpose of the metal rack that comes in some microwaves and is it safe to use the microwave with it in place?
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1 Answer

Answer :

The purpose of the metal racks is tohold stuff on that does not need to rotate, and the metal racks are smooth in order not to cause sparks, so unless your metal rack has been damaged it is generally safe to use.
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