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2. Roller shutter - Wikipedia

   en.wikipedia.org/wiki/Roller_shutter

   Security roller shutters in a dead mall. 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. Drum motor - Wikipedia

   en.wikipedia.org/wiki/Drum_motor

   The drum motor needs fewer parts and has low inventory costs as it just consists of the drum motor and two fixing brackets. Unlike conventional drives that require up to 8 or more separate components, most of which have to be purchased from different suppliers or manufacturers especially. A further advantage is its dimension.

4. Roller chain - Wikipedia

   en.wikipedia.org/wiki/Roller_chain

   Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.

5. Knock-down kit - Wikipedia

   en.wikipedia.org/wiki/Knock-down_kit

   A common form of knock-down is a complete knock-down (CKD), which is a kit of entirely unassembled parts of a product.It is also a method of supplying parts to a market, particularly in shipping to foreign nations, and serves as a way of counting or pricing. [1]

6. Santa Rally Kicks Off On Wall Street: Stocks Gain, Tesla ...

   www.aol.com/santa-rally-kicks-off-wall-201459819...

   Wall Street kicked off the Santa Rally season on a positive note, with all major indices and sectors closing higher in a shortened session ahead of the Christmas holiday. The S&P 500 climbed 1% ...

7. Telltale Signs You Need to See a Doctor for Your Cough - AOL

   www.aol.com/lifestyle/telltale-signs-see-doctor...

   Stand in a steamy shower to let the humidity help soothe your lungs. Try to avoid environmental irritants like dust or smoke. Take an OTC cough medication like guaifenesin or an antitussive ...