Which of the following is incorrect for industrial hygiene?

A. It is the science and art devoted to the anticipation, recognition, evaluation and control of those environmental factors which may cause sickness, impaired health and well-being

B. The stressors need to be identified at initial stages only and be dealt with before they become an issue for the workers

C. It deals with controlling real or potential workplace environmental stressors or hazards that have an impact on the well being of workers and community members

D. It is one of the factors of productions

Answer: Option D