Healthcare managers interaction with employees

Locate an article on any one of the following: Occupational Health Nurse or Physician, Safety engineer, Industrial Hygienist or Ergonomist. Summarize the article Discuss the role of that individual and how he/she interacts with employees in the work setting. Explain how you see the case manager interacting with that professional? The source of the article must be from a professional journal (AAOHN, National Safety Council, etc.) or website (not the textbook).