Tools and Techniques of Industrial Engineering Used in Apparel Industry Concept of Industrial Engineering (IE): Industrial Engineering (IE) is concerned with the design, Improvement, and installation of integrated system of men, material, and machines for the benefit of mankind .It draws upon specialized knowledge and skills in the mathematical and physical sciences together with the principles and methods of engineering analysis and design to specify, predict and evaluate the results to be obtained from such systems. IE Tools of Industrial Engineering: The main aim of tools are to improve the productivity of the organization by optimum utilization of organizations resources: men, materials, and machines. The major tools used in industrial engineering are: Production planning and control. Inventory control. Job evaluation. Facilitates planning and material handling. System analysis. Linear programming. Simulation. Network analysis (PERT, CPM). Queuing models.