Other people use plastic ware with lid to reheat the food. These wares, plastic wraps and foils are known to emit dangerous chemicals especially when exposed in heat, therefore, also exposing the food in the same chemicals and the people to dangers of diseases. Also, the chemical reactions that are produced inside the microwave when radiation is emitted can form carcinogens, which are chemicals known as one of the causes of human cancer. While it is difficult to determine the extent to which the whole human population is destroying the planet, each of us can contribute in our own small ways. Which brings us to the topic of microwaves. Despite some raised concerns about the dangers of microwaves, more and more people are getting convinced about its benefits to the environment. 2. Unplug the power cord. After doing so, make sure to check the cord for any signs of damage and dirt. This is important since a damaged cord can be dangerous. Once you're sure that the cord is in good condition, wipe it down with a cloth to remove dust and grime that may be attached to it. 3. Open the lid and check the interior of the oven. Aside from the fact that it operates easily it is also safe to use that even your children can handle it so long as proper instruction is followed. When looking for a replacement microwave, there are certain factors which are to be considered. First is how often it is going to be used. How Often Do You Use It Some households use microwave regularly in a daily basis while others seldom use it but still needs it. If you re going to place it on the kitchen countertop, compact or portable microwave ovens are ideal. Power Consumption You can cook faster on units with higher wattage. Most microwaves available in the market come with power rating ranging from 600 to 1200 watts. Type of Microwave Unit There are two main types of microwave oven the countertop and built-in microwaves. While this microwave doesn t come cheap, it typically has more advanced features. However, this type of microwave needs to be installed properly by a professional. Here are some of the reasons why a built-in microwave oven is a good buy: Space No doubt, a built-in microwave is the best way to enjoy the functions of a microwave without compromising your kitchen countertop s space.