Inadequacy in addition to consideration of process sequences there are things that sometimes often do not seem that it is a waste of Inadequacy in consideration of work contents. The definition of work content is part of a job or process that is done by machine or human. Or in a smaller scope again is part of the activities of workers in working on a product. They sometimes do not realize that the work they do is work in vain, in the sense that if eliminated would not be a problem.
For example in the manufacture of factory bolts, one bolt-making process that there is no use of the jig process aims to measure the length of the bolt. Several times the workers are wiping jig used to measure these bolts. This jig cleaning activity when accumulated can seize a long time, whereas the quality is not so meaningful in the sense that if he did not commit any no effect