Loss of paint in the cavity (the cooking area) of a microwave oven isn't a safety problem unless that spot is rusting and has rusted through. That will leave a hole in the cavity, and that is a safety problem.
You can't. Only if it's a microwave-oven
Microwave oven
In a microwave oven, electrical energy is converted into electromagnetic radiation (microwaves) which heat up the food by causing the water molecules in the food to vibrate. Some energy is lost as heat, sound, and light during this process.
The GE Profile Countertop Microwave Oven is 13-7/8" tall, 24" wide, and has a depth of 19-1/2" with an interior capacity of 2.2 cubic feet.
There are no famous microwave oven commercials. There were a lot of commercials for microwave ovens in the 1970s, but none stood out as famous. This question probably should have asked what a commercial microwave oven is. A commercial microwave oven is a microwave oven used by restaurants and cafeterias.
No, a microwave oven is not a Faraday cage.
Most food items cooked in a microwave cooker are actually steam cooked by steam generated from water in the interior. This steam permeates the food cooking both the interior and exterior at about the same time.
If you mean the microwave and OVEN , then it does have microwave oven and also electrical heating oven capability.
A convection oven moves the air, a microwave does not.
Yes, it is safe to use a microwave oven without the light. The light serves the purpose of illuminating the interior but does not impact the microwave's functionality or safety. If the light is not working, it should not affect the microwave's ability to heat or cook food.
The metal walls of the microwave oven reflect and contain the microwave radiation, preventing it from escaping.
A microwave convection oven is a kitchen appliance that combines the functions of a microwave and a convection oven. It uses both microwave radiation and hot air circulation to cook food quickly and evenly. This differs from a traditional microwave, which only uses microwave radiation, and a traditional oven, which only uses hot air for cooking.