https://stuart-carstens-3.tech....netbloggers.de/10-re
How is a Microwave Built? Microwaves have taken household convenience to a whole new level. They can be put in cabinets for wall use or on top of kitchen islands. They are constructed from a variety materials. In 1940 the cavity magnetron tube emitting microwaves was created at Birmingham University in England. Percy Spencer realized that this device could be used to heat food when he watched corn pop and eggs cook. Raw Materials Microwave (MW), he
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