Lean Systems Standardize- The Fourth “S” of the 5 S System Standardizing involves creating a consistent approach for carrying out tasks and procedures amongst all employees and departments. Orderliness is the core of standardization. by Malorie November 5, 2009 chat_bubble_outline0 Tags: 5 S's, Efficiency, Lean, Lean Systems, Lean Thinking, Process Improvement, toyota production system