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  2. Microwave oven - Wikipedia

    en.wikipedia.org/wiki/Microwave_oven

    A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy in a process known as dielectric heating .

  3. LG Electronics - Wikipedia

    en.wikipedia.org/wiki/LG_Electronics

    LG washer and dryer on pedestals LG Signature LSA 50 A air purifier. LG manufactures home appliances including refrigerators, washing machines, tumble dryers, vacuum cleaners, air conditioners and microwave ovens. In June 2014, LG Electronics announced the launch of its smart appliances with HomeChat messaging service in South Korea.

  4. O'Keefe and Merritt - Wikipedia

    en.wikipedia.org/wiki/O'Keefe_and_Merritt

    In 1960, a built-in barbecue unit could be added to a cooktop. [8] By 1964, all O'Keefe and Merritt electric ovens had built-in clocks that could be used to turn on the oven, cook for a certain time, and then turn off the oven. [9] In 1965, O'Keefe and Merritt sold, among other models, a 36-inch range and a 21 inch wide oven.

  5. Home appliance - Wikipedia

    en.wikipedia.org/wiki/Home_appliance

    Refrigerator, toaster, kettle, microwave, blender A home appliance , also referred to as a domestic appliance , an electric appliance or a household appliance , [ 1 ] is a machine which assists in household functions [ 2 ] such as cooking , cleaning and food preservation .

  6. Electromagnetic shielding - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_shielding

    The door of a microwave oven has a screen built into the window. From the perspective of microwaves (with wavelengths of 12 cm) this screen finishes a Faraday cage formed by the oven's metal housing. Visible light, with wavelengths ranging between 400 nm and 700 nm, passes easily through the screen holes.

  7. Microwave - Wikipedia

    en.wikipedia.org/wiki/Microwave

    A microwave oven passes microwave radiation at a frequency near 2.45 GHz (12 cm) through food, causing dielectric heating primarily by absorption of the energy in water. Microwave ovens became common kitchen appliances in Western countries in the late 1970s, following the development of less expensive cavity magnetrons. Water in the liquid ...

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