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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. Sliding glass door - Wikipedia

   en.wikipedia.org/wiki/Sliding_glass_door

   Sliding glass door frames are often made from wood, aluminum, stainless steel, or steel, which also have the most strength. The most common material is PVC plastic. Replacement parts are most commonly needed for the moving-sliding parts of the door, such as the steel rollers that glide within the track and the locking mechanisms.

4. Garage door - Wikipedia

   en.wikipedia.org/wiki/Garage_door

   A typical single-car garage roller door has a preloaded spring inside the rolling mechanism. The spring reduces the effort required to open the door. Oversized roller doors in commercial premises are not sprung (except in the US), and a manual pulley and chain system or a geared motor is used to raise and lower (roll up and roll down) the door ...

5. Linear-motion bearing - Wikipedia

   en.wikipedia.org/wiki/Linear-motion_bearing

   The rollers crisscross each other at a 90° angle and move between the four semi-flat and parallel rods that surround the rollers. The rollers are between "V" grooved bearing races, one being on the top carriage and the other on the base. Typically, bearing housings are constructed from aluminum while the rollers are constructed from steel.

6. ‘My Dreams of Seeing Taylor Swift Were Dashed—Until I Got a ...

   www.aol.com/dreams-seeing-taylor-swift-were...

   I knew getting my family to another concert would be really tough. Our Vienna tickets had cost us $750 each. In the five remaining North American cities, similar seats were being resold on Stubhub ...

7. US single-family housing starts surge; permits up slightly - AOL

   www.aol.com/news/us-single-family-housing-starts...

   Higher mortgage rates even as the Federal Reserve has been lowering borrowing costs remain a constraint for the housing market, with promised tariffs and expulsions of undocumented immigrants by ...