This property identifies the technique or method, modelled as an instance of E55 Type, that was employed in an instance of E7 Activity.
These techniques should be drawn from an external E55 Type hierarchy of consistent terminology of general techniques or methods such as embroidery, oil-painting, carbon dating, etc. Specific documented techniques should be described as instances of E29 Design or Procedure. This property identifies the technique that was employed in an act of modification.