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  2. Kitchen hood - Wikipedia

    en.wikipedia.org/wiki/Kitchen_hood

    A kitchen hood, exhaust hood, hood fan, extractor hood, or range hood is a device containing a mechanical fan that hangs above the stove or cooktop in the kitchen. It removes airborne grease, combustion products, fumes, smoke, heat, and steam from the air by evacuation of the air and filtration. [ 1 ]

  3. High frame rate - Wikipedia

    en.wikipedia.org/wiki/High_frame_rate

    In early cinema history, there was no standard frame rate established. Thomas Edison's early films were shot at 40 fps, while the Lumière Brothers used 16 fps. This had to do with a combination of the use of a hand crank rather than a motor, which created variable frame rates because of the inconsistency of the cranking of the film through the camera.

  4. O'Keefe and Merritt - Wikipedia

    en.wikipedia.org/wiki/O'Keefe_and_Merritt

    gas ranges, electric ranges, built-in gas cooktops and ovens, refrigerators, dishwashers O'Keefe and Merritt (often written as O'Keefe & Merritt) was a Los Angeles-based appliance company. Their gas ranges and stand-alone ovens were particularly popular in Southern California in the middle of the 20th Century .

  5. Frame rate - Wikipedia

    en.wikipedia.org/wiki/Frame_rate

    Many theaters had shown silent films at 22 to 26 FPS, which is why the industry chose 24 FPS for sound film as a compromise. [11] From 1927 to 1930, as various studios updated equipment, the rate of 24 FPS became standard for 35 mm sound film. [2] At 24 FPS, the film travels through the projector at a rate of 456 millimetres (18.0 in) per second.

  6. Is it safe to stand in front of a microwave while it's on ...

    www.aol.com/lifestyle/safe-stand-front-microwave...

    The agency says: “Microwave oven manufacturers are required to certify their products and meet safety performance standards created and enforced by the FDA to protect public health.

  7. Dielectric heating - Wikipedia

    en.wikipedia.org/wiki/Dielectric_heating

    A microwave oven uses dielectric heating to cook food.. Dielectric heating, also known as electronic heating, radio frequency heating, and high-frequency heating, is the process in which a radio frequency (RF) alternating electric field, or radio wave or microwave electromagnetic radiation heats a dielectric material.