6f039488_ls___Techniques_____Strategos___Purpose
[ID] 40 [Element] Work Standardization [Description] Organized approach to work specifications and instructions. As practiced at Toyota, work teams carefully specify the exact manner of performing each task and then adhere to it. Changes are made by the group when that group identifies improvements. [Purpose] 
To ensure that all workers execute their tasks in the same manner and thus reduce variation from differences in work method.
Lean Tools & Techniques ...{Strategos}