In the process of nation building, the health of the working population becomes a key factor. With the introduction of new technologies, foreign labour and changes in working patterns, the health of the working population will be affected. Health care workers, administrators and politicians will be confronted with these occupational health issues.This book outlines the various occupational health issues in national development and proposes a system of planning for the health services for the working population. It is the result of a two week ICOH Seminar where international experts addressed the issue of developing occupational health services for various countries.