1. Describe the fundamental differences between push and pull production systems?
2. What is the role of Kanban in process improvement?
3. Explain the purpose of signal kanbans for production and material movement.
4. An assembly line pulls containers of parts from machining centers at a rate of 600 per day. Each container holds 20 parts and typically waits 2 hours at a machining center before it is processed. The setup and process time for 20 parts is 6 hours. How many containers are needed if the safety margin is 10%?