#demagnetization__demagnitisation  the process of removing magnetization
  supertype:  natural_process__naturalproces__natural_action__naturalaction__action__activity  a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
  subtype:  degaussing  the process of making a (steel) ship's hull nonmagnetic by producing an opposing magnetic field

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