#extraction.natural_process  the process of obtaining something from a mixture or compound by chemical or physical or mechanical means
  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:  drying_up__dehydration__desiccation  the process of extracting moisture (as by heat)
     subtype:  inspissation  the process of thickening by dehydration
  subtype:  elution  the process of extracting one material from another by washing with a solvent to remove adsorbed material from an adsorbent (as in washing of loaded ion-exchange resins to remove captured ions); used to obtain uranium ions
  subtype:  mineral_processing__mineralprocessing__mineral_dressing__mineraldressing__ore_processing__oreprocessing__ore_dressing__oredressing__beneficiation  crushing and separating ore into valuable substances or waste by any of a variety of techniques

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