Chain
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A chain can be any of the following: Template:Wiktionary
- a flexible connection through multiple rigid links; applications include:
- pulling (it cannot be used for pushing)
- power transmission, as in roller chains (e.g., bicycle chains)
- conveyance systems, similar to a conveyor belt, as in flat chains and pintle chains;
- keeping together to avoid falling apart, drifting away, theft, fleeing (of a prisoner)
- jewellery
- pulling (it cannot be used for pushing)
- In mathematics
- a chain in algebraic topology is formal linear combination of k-simplices.
- a chain in order theory is totally ordered subset of a partially ordered set;
- a measure of length used in surveying and equal to 22 yards (also called the surveyor's or Gunter's chain);
- a measuring instrument used in engineering, also called the engineer's or Ramsden's chain (and rarely, its length of 100 ft as a unit of measurement, though the results of the measurements are normally expressed in feet); or
- a franchise of stores, restaurants, hotels, or other retail establishments.
- a type of armor made of interlocking chain links, better known as chainmail.
See also Chain of command.
ja:チェーン