Scope note: This property identifies the technique that was employed in an act of modification. These techniques should be drawn from an external E55 Type hierarchy of consistent terminology of general techniques such as embroidery, oil-painting, etc. Specific techniques may be further described as instances of E29 Design or Procedure. Examples: - ornamentation of silver cup 113 (E11) used general technique gold-plating (E55) (Design or Procedure Type)