My husband stored an extra microwave oven in our pole barn. He brought it in to use in the kitchen since it is smaller than my other microwave and we are keeping it on the counter. The screen to the microwave now has slight rust on it. Any way to remove the rust? It is embedded between the glass panels of the door on the screen. I have a feeling there isn't any way to clean this, am I correct? Second question: I am considering replacing this with an over the range microwave. I am very short, under 5 feet tall, will it be a huge stretch for me? My kitchen ceilings are just 7 1/2 feet with an total of 26 inches from the ceiling to the bottom of the cupboard that would be above the microwave. Hope this makes sense! Thanks!!