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https://squareblogs.net/ronald....orange60/what-is-bui
How is a Microwave Built? Microwaves have elevated the convenience of home to a whole new level. They can be placed in the wall cabinets or on top of kitchen islands. They are constructed from various materials. The cavity magnetron tube that emits microwaves was invented in 1940 at Birmingham University in England. Percy Spencer realized that this device could be used to heat food when he watched eggs pop and corn cook. Raw Materials Microwave (MW), heat
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