#foil  a piece of thin and flexible sheet metal; "the photographic film was wrapped in foil"
  supertype:  #sheet_metal__sheetmetal  sheet of metal formed into a thin plate
  subtype:  #aluminum_foil__aluminium_foil__aluminiumfoil__tin_foil__tinfoil  foil made of aluminum
  subtype:  #chaff  foil in thin strips; ejected into the air as a radar countermeasure
  subtype:  #gold_foil  foil made of gold
     subtype:  #gold_leaf  a very thin form of gold foil
  subtype:  #tinfoil__tin_foil__tinfoil  foil made of tin or an alloy of tin and lead

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