This document discusses various techniques for improving productivity, including automation, CAD/CAM, CIM, robotics, Shigeo Shingo principles, group technology, job rotation, and TQC. It provides examples of each technique and case studies on their implementation. For instance, it describes how a company called GEX improved profits 15-20% by automating sewing and cutting lines to increase productivity without adding resources. Another case study discusses redesigning production lines at a lens factory through process modifications. The document serves as a guide to selecting and applying different productivity improvement strategies.