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2. 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.

3. Automatic door - Wikipedia

   en.wikipedia.org/wiki/Automatic_door

   The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s. [6] [7] In 1980, the first automatic door using an infrared sensor was ...

4. List of How It's Made episodes - Wikipedia

   en.wikipedia.org/wiki/List_of_How_It's_Made_episodes

   Automatic sliding doors: Gin: Firearms restoration: Submarine restoration November 6, 2014 24-06: 305: Scuba diving lights: Interchangeable sandals: Race car simulators: Fiberglass doors November 13, 2014 24-07: 306: Wood windows: Woven cashmere fabric: Plastic recycling machines: Architectural glass: November 20, 2014 24-08: 307: Gas barbecues ...

5. Cabinetry - Wikipedia

   en.wikipedia.org/wiki/Cabinetry

   Mounted on the cabinet frame is the cabinet door. In contrast, frameless cabinet have no such supporting front face frame, the cabinet doors attach directly to the sides of the cabinet box. The box's side, bottom and top panels are usually 5 ⁄ 8 to 3 ⁄ 4 inch (15 to 20 mm) thick, with the door overlaying all but 1 ⁄ 16 inch (2 mm) of the ...

6. Head of Ohio's teacher pension fund retires Sunday, saying ...

   www.aol.com/head-ohios-teacher-pension-fund...

   The outgoing head of Ohio's troubled teachers retirement system said that she is leaving the fund in strong fiscal condition, despite the turmoil at the top that her successor will inherit. In a ...

7. 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.