How to use continuous improvement tools in different life periods of organization

Basically, in organizations, we face this problem that is, which continuous improvement tools should be advised for an organization. In many cases, we have also observed that continuous improvement tools in an organization haven´t necessary efficiency and this is the reason that they are disused. In fact, in every life period of organization, special continuous improvement tools which are suitable, have efficiency. This subject is basically related to organization´s structure & specifications in that special period. Therefore we in this article try not only to explain about continuous improvement tools, different life periods of organization and to describe the features of every period, but also to make evolution between periods and tools so that we can say certainly in every life period of organization, which tools should be used toward continuous improvement