https://www.openlearning.com/u..../clemensenmattingly-
https://blogfreely.net/footlau....ra52/ten-things-youv
How is a Microwave Built? Microwaves have taken convenience for the home to a new level. They are designed to fit into wall cabinets or on top of kitchen islands. They are constructed from a variety materials. The cavity magnetron tube that emits microwaves was first invented in 1940 at Birmingham University in England. Percy Spencer r
Like
Comment
Share
