Applying concepts and knowledge of human factors, such as measuring muscle capacity, weightlifting methods, and material handling, studying methods of measuring muscle voltage, and measuring tools and standards, studying several means of presentation of information, And control tools and analysis of its impact on work efficiency and the health and the safety of the worker, study of the number and tools manual design analysis and its impact on work efficiency, worker health and safety, use of computer software in the analysis and improvement of workstations and methods of work.​