https://output.jsbin.com/fuqojomino/
https://ebsen-pihl-2.thoughtla....nes.net/why-built-in
How is a Microwave Built? Microwave ovens have brought home convenience to a new level. They can be put in cabinets for wall use or on top of kitchen islands. They are also constructed using a variety of different materials. In 1940 the cavity magnetron device emitting microwaves was developed at Birmingham University in England. Percy Spencer discovered that this device could heat food after he watched corn pop, and eggs cook. Raw Materials Microwave