Wipe the inside and outside on the microwave that has a sponge. Dampen a sponge and "Prepare dinner" it for two minutes. This will loosen caked-on substance In the microwave. About two minutes after the timer around the microwave goes off, retrieve the sponge and take away the rotating plate. https://elliott4uckr.onesmablog.com/the-fact-about-how-to-clean-houses-in-jubail-that-no-one-is-suggesting-72054933