1. Ceramic bowls: Ordinary ceramic bowls and plates can be used in microwave ovens because of their high temperature resistance, good projection and no harmful substances. However, it should be noted that bowls with bronzing or metal patterns should not be put in, so as to avoid reflection affecting the working efficiency of the microwave oven and damaging the cavity when heating. 2. Glass bowl: The main component of glass is silicon dioxide, which is a heat-resistant material. Used to make bowls, because of its good light transmittance and heat resistance, it can be put into the microwave oven. If your household glass bowl is made of microcrystalline glass and borosilicate glass, you can use it with confidence. 3. Heat-resistant plastic bowl: Plastic can be divided into heat-resistant and heat-resistant. If it is a bowl made of heat-resistant plastic, it can be heated in a microwave oven. This kind of bowl is cheap, but it is not suitable for long-term heating because it may soften or melt. So when you use it, you should control the time. _4. Special bowl for microwave oven: Recently, a bowl specially used for microwave oven heating appeared on the market, with novel style and strong light transmittance. If you often use the microwave oven, you can buy it back for later use. In addition, the inside and outside of the bowl are heated at the same time, which avoids the rice from turning over, saving time and labor. What foods can't be heated in the microwave oven?