Please excuse the odd topic, but I feel sure someone out there can shed some light.
We need to buy a new flat bed (no turntable) Combination Microwave Oven. For the “microwave only” function, some manufacturers only recommend the use of a glass plate sitting on the base of the oven, while others say you can use a wire shelf.
Any idea why the different recommendations? For the last 20 years we’ve used the wire shelf in a Bosch appliance with no ill effects.