Occupational health and safety is a discipline with a broad scope aiming at “Promotion and maintenance of the highest degree of physical, mental and social well-being of workers that is the “whole person” in all occupations; prevention among workers of adverse effects on health caused by their working conditions; the protection of workers in their employment from risks resulting from factors adverse to health; the placing and maintenance of workers in an occupational environment adapted to physical and mental needs; the adaptation of work to humans.