https://www.ovensandhobs.uk/pr....oducts/hoover-hm20gx
How is a Microwave Built? Microwave ovens have brought home convenience to a whole new level. They are designed to fit into wall cabinets or over kitchen islands. They are made from a variety materials. The cavity magnetron tube that emits microwaves was invented in 1940 at Birmingham University in England. Percy Spencer realized that this device could heat food as he watched eggs pop and corn cook. Raw Materials Microwave (MW) heating is growing in popularity in the industry of material processing because
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