In lean, root cause analysis: a. Takes too much time, so we have inventory instead b. May involve applying the 5S s c. May involve applying the 5 Whys d. Is often supported by cause and effect diagrams e. Both c and d A kaizen event is a one-time event for any given process. You should stick to using the proper symbols for value stream mapping to improve your lean results. The eight wastes were discovered by 'Toyota after observing Ford's processes. Which of the following of the eight wastes contributes to a system or process? a. Cost b. Time c. Inventory d. Value e. All of the above