5.3.2 Composition of the Vocational Ability Evaluation Standards
(1) The content of work is segmented as: occupation → duty → task. The vocational ability required for
each task is specified, and is streamlined as an “ability unit.”
(2) Ability unit is comprised of “common ability unit” and “selected ability unit.”
(3) Ability unit is further segmented into several items called “ability item,” and the “standards for
implementing duty” and “knowledge” are specified.