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2. High-tensile chain - Wikipedia

   en.wikipedia.org/wiki/High-tensile_chain

   [1] When chains are used to restrain loads on a vehicle a load binder is used to tighten the chain. Standards development organizations such as the American Society of Mechanical Engineers provide Standards for the additional information on these chains. ASME B29.24 deals specifically with roller chains intended for hoisting duty.

3. Hoist (device) - Wikipedia

   en.wikipedia.org/wiki/Hoist_(device)

   Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.

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. Differential pulley - Wikipedia

   en.wikipedia.org/wiki/Differential_pulley

   Because there is a traveling pulley at the load, this doubles the mechanical advantage of the fixed (anchored) sprocket assembly, leading to a total mechanical advantage of 2 × ⁠ P 1 / P 1 − P 2 ⁠. For instance, a 1-ton differential chain fall might have a 15-pocket and a 14-pocket sprocket set. This would provide a total of 2 × ⁠ 15 ...

6. Alfa Anderson, Vocalist Behind Chic Hits Including 'Good ...

   www.aol.com/lifestyle/alfa-anderson-vocalist...

   Alfa Anderson, a vocalist known for her work with the iconic 1970s disco band Chic, has died. She was 78. Niles Rodgers, founder of Chic, shared the news in an Instagram post on Dec. 17. “RIP ...

7. Linkage (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Linkage_(mechanical)

   There are two important special cases: (i) a simple open chain, and (ii) a simple closed chain. A simple open chain consists of n moving links connected end to end by j joints, with one end connected to a ground link. Thus, in this case N = j + 1 and the mobility of the chain is = = .