In the same way that we saw how value moves through our value stream, we can look at the value stream to see our challenges. The most common challenges that companies have are:
These challenges are represented in the figure below:
These challenges usually are seen by having by having work be stuck in large queues before the step where the problem is. Lean suggests that instead of focusing on how people can work faster we should take steps to keep our queue size down. This mostly involves working on small batches, how we do our work, and how we organize our talent.