Also, you can rotate your food once in a while to prevent the occurrence of cold spots. Reheating If a food has already been cooked and will just be reheated, remember to put it in a covering or a container that is microwave-friendly. These include cookware such as glass, plastics and ceramic containers that are labeled as good to be used on microwave ovens. Then proceed with the sides and drag the dirt from the corners towards the opening of the microwave. The last part is at the bottom where you scrape out the collected dirt including the ones that fell from the top and the sides. 8. Lastly, wipe down the exterior of the microwave, starting from the top, the back, sides and lastly, the front. You just need to have someone that will lend you a helping hand and will support the weight of the microwave during installation. Here are some installation guides to help you up: 1. Unscrew the bolts of your old unit while someone is holding it. 2. Unplug its electrical cord. 3. Roll the microwave oven to the right or left to free it from its mounting bracket in the back. If you prefer the old fashioned way, you can always choose the ones with dial control. Turntable The newest models come with a turntable that helps ensure that heat is evenly distributed in the oven. It is entirely up to you, but I strongly advise against buying microwaves without this component. Why pass up a feature that can considerably help you cook your food better? What makes them different from each other is the way heat is circulated inside the oven. In a convection microwave oven, there is a fan that blows hot air to ensure heat is dispensed evenly. Conventional Ovens Almost all American kitchens have modern conventional ovens. This is in fact the most common type of oven for household use and it is utilized by most Americans not just to heat but also to cook their meals, desserts, and other types of food. Thereafter, other experiments were conducted which led to the conclusion that the microwave's temperature can be escalated which cooked food faster. The households began employing microwave ovens in the year 1967. Amana, the company that was a subsidiary of Raytheon, first marketed its Radarange countertop microwave oven.