what are the main tools of kaizen 
the kaizen methodology uses different tools depending on the goal for instance the 5s tool is often used in lean manufacturing and to ensure that workplaces are efficient productive and safe jit and kanban are used for inventory control the five whys what when where why and who is a tool used to reveal the root cause of a problem value stream mapping is an analytic tool that is used to identify places to eliminate waste follow up events are tools used to sustain improvements 