（１）Six sigma is called ‘initiative’ ｔｈａｔ is an activity to solve serious
　　management　problems in very small “COPQ” by the power of an entire
　　 company with the leadership of management top.
（２）Six sigma consists of ３ stages, setting management problems by ‘top
　　 management program’, solution management problems by ‘work out
　　 program’, and reforming organization climate by ‘people out program’

COPQ
Cost of poor quality

(1)The cost that is waste discharged for the settlement the troubles in
　　quality　 of "products,articles,services"
(2) The cost that is waste occurred by lowness of quality in duties
　　accomplishment for "product,articles, services"