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  2. 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.

  3. Garage door - Wikipedia

    en.wikipedia.org/wiki/Garage_door

    Sectional-type steel with exterior cladding overhead garage doors in the style of old carriage house doors. A common material for a new garage door is a steel sheet formed or stamped to look like a raised panel wooden door. Steel doors are available in uninsulated, insulated, and a three-layer door, also known as a sandwich-style door.

  4. Roller shutter - Wikipedia

    en.wikipedia.org/wiki/Roller_shutter

    A roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple horizontal slats, bars, or web systems interconnected through hinges. The mechanism involves lifting the door to open it and lowering it to close.

  5. Photoelectric sensor - Wikipedia

    en.wikipedia.org/wiki/Photoelectric_sensor

    Remote photoelectric sensors used for remote sensing contain only the optical components of a sensor. The circuitry for power input, amplification, and output switching is located elsewhere, typically in a control panel. This allows the sensor, itself, to be very small. Also, the controls for the sensor are more accessible, since they may be ...

  6. Mystery surrounds shooting death of beloved Altadena couple - AOL

    www.aol.com/news/mystery-surrounds-shooting...

    One week after an Altadena couple — married for more than 30 years and beloved in their neighborhood — was found slain in their home, friends and family held a candlelight vigil in their honor ...

  7. 12 reasons you aren't losing weight even though you're eating ...

    www.aol.com/lifestyle/12-reasons-arent-losing...

    Work with your doctor to create a personalized plan that includes calories, physical activity, and medications to help minimize symptoms and weight gain. 12. You're weighing yourself at different ...

  8. 'Is it realistic to deport everybody?' Top Senate Republican ...

    www.aol.com/realistic-deport-everybody-top...

    Thune said anyone who has committed a crime in the U.S. should be expelled along with the more than one million people already on the Biden administration’s deportation list.

  9. Door - Wikipedia

    en.wikipedia.org/wiki/Door

    The act of pushing or pulling the door triggers the open and close cycle. These are also known as power-assisted doors. In addition to activation sensors, automatically opening doors are generally fitted with safety sensors. These are usually an infrared curtain or beam, but can be a pressure mat fitted on the swing side of the door.

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