Change Indicators

* 7059  Property class, coded

  Desc: Specification of the type of class.

  Repr: an..3

        1 Chemistry
             Self explanatory.
        2 Mechanical
             Mechanical properties.
+       3 Component of measurable quantity
             Component being quantitatively measured (such as height).
+       4 System of measurable quantity
             System being investigated to obtain a measurable quantity
             (such as blood serum).