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  2. Diagnostic program - Wikipedia

    en.wikipedia.org/wiki/Diagnostic_program

    Everyday examples are a microwave oven that displays code F6 to warn of a shorted temperature probe [1] or a garage door opener that flashes its control board's LED four times warning of critically misaligned safety sensors and impending shutdown. [2] Diagnostic programs are also inserted into consumer electronic products and electronic games.

  3. Wireless device radiation and health - Wikipedia

    en.wikipedia.org/wiki/Wireless_device_radiation...

    Many household wireless devices such as WiFi networks, garage door openers, and baby monitors use other frequencies in this same frequency range. Radio waves decrease rapidly in intensity by the inverse square of distance as they spread out from a transmitting antenna. So the phone transmitter, which is held close to the user's face when ...

  4. Garage door opener - Wikipedia

    en.wikipedia.org/wiki/Garage_door_opener

    The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.

  5. Garage door - Wikipedia

    en.wikipedia.org/wiki/Garage_door

    Sectional garage door Up-and-over garage door Garage Door Hardware. A garage door is a large door to allow egress for a garage that opens either manually or by an electric motor (a garage door opener). Garage doors are frequently large enough to accommodate automobiles and other vehicles. The operating mechanism is usually spring-loaded or ...

  6. Chamberlain Group - Wikipedia

    en.wikipedia.org/wiki/Chamberlain_Group

    Chamberlain — the company's do-it-yourself line of garage door openers. LiftMaster — the company's line of garage door openers for professional installers. Raynor — the company's line of garage door openers for professional installers. This line of professional installers is slightly less common than LiftMaster.

  7. Will the FDA ban red dye 3? Controversial food additive used ...

    www.aol.com/news/fda-ban-red-dye-3-143057097.html

    While the FDA has claimed that red 3, like other additives the agency has approved, can be safe to consume, advocates have long called for its ban amid concerns that the food dye is linked to ...

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