When this is done recalling stage 1 and continue this loop over and over again. To become lean it is
very necessary to understand the fact that wastes are there. It must also be able to find out where
these wastes do exist. Then it will be able to find out the root causes for these problems and then
come up with a way to solve it. To find out where in the process these wastes exist there is a very
powerful and simple tool. This well known tool is process mapping. Process map simply maps all
the processes and the activities which are carried out in bringing a specific product or a service in to
a reality. Irrelevant of the value they add to the final product or the service, the process map
includes all the activities from the point of development or order inquiry to making and shipping the
goods and up to the point where customer collects the goods.