The reason for this is that the third party supplier might not have some microwave replacement parts you need and which can only be found at the manufacturer's website. If you can't go to the local stores to purchase replacement parts, online websites are your best option. Aside from the fact that they are available 24 hours a day, they usually have quality replacements parts too. Amana, the company that was a subsidiary of Raytheon, first marketed its Radarange countertop microwave oven. It was smaller yet safer and also very expensive like about $500 for its selling price. Of course, its introduction did not give a successful sale but in 1975, the microwave oven has proven to all households that it has an ability that surpasses what is expected of the gas ranges. Meanwhile, the built-in type is mounted into the cabinetry and is more expensive because it allows you to cook and grill. Most of this kind needs an exhaust fan. Its capacity. Depending on your purpose, choose the appropriate capacity of your microwave. If you prefer cooking large meals, then, you should buy a larger one. However, there are times that the food doesn't get even microwaves and so it turns out half cooked or half heated. In such case, you need to use a microwave turntable. What is a microwave turntable? The microwave turntable is the apparatus that you must place inside which then turns around slowly so that the food gets evenly cooked. It is capable of releasing microwaves that are being absorbed by the fats and sugars that are present in the food, therefore, heating your food up. If you want a do-it-all kind of oven, then a convection microwave is the answer. It functions the same way as the conventional one, but with added perks. Although the defrosting process has also begun heating some parts of the meat, not all of the parts are fully cooked. Harmful bacteria are still present on some of the portions that didn't absorb regular amount of heat. Cooking As what was mentioned a while ago, the microwave oven does not spread out the right amount of heat to every part of the food.