I have not applied the total conceps from this excellent book. I just have used the elemental ones and I obtained great results in Inventory reductions. If you really want to improve your business it is a good idea to start at the begining... start with the basics with Factory Physics. You do not need to learn sofisticated techniques or expensive tools, you just need to take the original tools and develop them in order to improve your processes. This is the essential matter of this book.