1) What makes constraint critical or active? Discuss.
2) Jim has employed the theory of constraints to maximize the production of his active constraints and match production rate in rest of his facility to bottlenecks. Output of finished goods for each week has enhanced by 15% and WIP across the facility has reduced 40%. But his efficiencies on some individual workstations have dropped by the 50% and the boss feels that this is cutting in already slim profit margins. What is going on? What should he do?