1. electrical power, you may know that microwave is a machinecale type of thing and to use something that work with machine you must has to use electrical power to make it work. 2. light power, every microwave has a light inside it it's to make the food hot and healthy. 3. radition power because whenever you use an electricale thing you must have to spend some energy for example when you run you sepnd your energy so the radition power help it to provide energy. if i do suck with texting so plz don't read i am a ESL student, not so much good in english. thank you :)
