Mission of operational improvement

Use man enough,--------Use availability, performance, time usage, improvement and sustainability to measure.
Use machine enough,--------Use Overall equipment effectiveness to measure affected by availability, performance and quality.
Use materials enough,--------Use materials usage to measure.
Use method enough--------Use productivity to measure the input and output being flexible and proper to produce specific product. 
Use environment enough--------Use morale, turnover and safety accidents etc. to measure.
Use mesurement enough--------Use AQL to measure supported by accuracy and CPK etc..