Explain 'Co-operation not Individualism' as a principle and 'Fatigue Study' as a technique of scientific management?

(i) Co-operation not Individualism: There should be complete co-operation between the labour and management instead of individualism; competition should be replaced by co-operation. Both should realise that they need each other.

(ii) Fatigue Study: Fatigue study seeks to determine the amount & frequency of rest intervals to be given to tired workers to regain their lost energy and to maintain their operational efficiency. Fatigue is generally caused by long working hours, poor working conditions etc. Adequate rest intervals will help the tired workers to regain their stamina and work again with same capacity.