If you google “Buffer Management” you will get a variety of results that focus mainly on buffers used to pad time for a task in project management or a deliberate amount time built into a project management timeline to facilitate nuances that might occur. That sounds a lot like waste to me, and it in no way captures the essence of this article and how you can employ buffer management to create continuous flow.
For woodworking companies, Henry Ford's critical thinking on matters of efficiency, waste and profit ring true today in the application of Lean Manufacturing.