Friday, February 14, 2014

mandrel


A mandrel (also mandril or arbor) is one of the following:

  • an object used to shape machined work.
  • a tool component that grips or clamps materials to be machined.
  • a tool component that can be used to grip other moving tool components.

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synanthrope

 A synanthrope (from ancient Greek σύν sýn "together, with" and ἄνθρωπος ánthrōpos "man") is an organism that evolve...