Occupational health and safety is about of taking care of health and safety in the workplace in order to prevent the possible risks to the health of the workers. A holistic approach to introduce the occupational health and safety issues should start already from the school. Handbook of working environment is intended as a learning tool for young learners in vocational education institutions, as well as teachers and tutors of working environment in companies. Young people must be able to recognize and assess the risks in their work. The early dissemination of risk prevention among young people helps to ensure their safety throughout their working lives.