#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

No statement uses or specializes foil; click here to add one.