#glue__gum  cement consisting of a sticky substance that is used as an adhesive
  supertype:  #cement  something that hardens to act as adhesive material
  subtype:  #animal_glue  a protein gelatin obtained by boiling e.g. skins and hoofs of cattle and horses
  subtype:  #casein_glue  made from casein; used for e.g. plywood and cabinetwork
  subtype:  #fish_glue  gelatinous substance obtained by boiling skins fins and bones of fish
  subtype:  #marine_glue  glue that is not water soluble

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