Cross Training is absolutely critical in a job shop and one of the most important things you can do to improve the consistency and performance of your operation.
A training matrix is an integral part of your cross training program and the overall staffing plan.
One of the most effective ways to control work in progress and increase efficiency in a job shop is master dynamic staffing.
Dealing with difficult people can be quite a challenge in your kaizen events. Learn to keep C-itizens A-gainst V-irtually E-verything, or cave people, from derailing your lean efforts.