This document discusses human resource development. It defines human resources as the people with the skills and abilities needed to do work. Human resources can be categorized as unskilled, semi-skilled, or skilled based on their level of training. They can also be categorized as short-term, long-term, or constant based on the duration they are prepared to work. Proper preparation of human resources requires well-developed educational institutions, technical training facilities, and vocational training. The development of human resources is important for increasing productivity, improving economic conditions, and fulfilling workforce needs.